Cheryl Cole has admitted to having a "frosty" relationship with Louis Walsh.
The 30-year-old singer, whose band Girls Aloud was once managed by the Irish music boss, says working with Louis on 'The X Factor' again has been difficult.
Appearing on 'The Graham Norton Show' - which airs on BBC One tonight (20.06.14) - Cheryl said: "It's a little bit frosty."
Pressed further by Graham on whether 'things were off' between them, the singer quipped: "They were never on!"
Cheryl has reportedly refused to sit next to Louis at the judging desk - with new judge Mel B slotted between them - and even called for him to be axed when she agreed to return to the show earlier this year.
But despite her admission, the star was happy to pose for a cosy picture with Louis and Mel earlier this week as auditions kicked off.
She captioned the snap: "The judging line up for the day.. Man down!!! #wheresSimon ?! #whereswally (sic)"
Rehiring the 'Crazy Stupid Love' songstress was atop 'X Factor' boss Simon Cowell's to-do list when he decided to return to the UK version as a judge - after the US edition was axed - and Cheryl says "there was a lot of grovelling" to lure her back to the talent competition.
Auditions for the latest series began this week and despite a three-year absence from the panel, the former Girls Aloud star has already got back into the swing of things.
She enthused: "It feels like I've never been away."

Ferne McCann's fight with Charlie Sims in Marbella was a "nightmare".
The on/off couple hit the rocks once again when Charlie - and his sister Chloe Sims - confronted Ferne about footage of her getting hot and heavy with another man in Las Vegas last month and 'The Only Way is Essex' star admits she's happy to be home in the UK after the sunny getaway took a dramatic turn.
She told OK! Online: "He was just a nightmare. It's always up and down with Charlie but I thought we would be the power couple in Series 12 and it just wasn't.
"I'm glad to be back. It was a stressful 10 days. It all went a bit t*ts up really. The video rocked the boat and it all spiralled out of control. It was hell."
Charlie reportedly stormed out of the villa they shared in Marbella after a heated argument and Ferne, 23, says she was left an emotional wreck.
She said: "I just couldn't believe it. I couldn't believe it was happening again as we was in such a good place. I was sobbing begging him not to go."
But the reality star has protested her innocence over the cheating scandal and insists the video footage of her and a mystery man is not as it seems.
She pleaded: "I know it looks like a coincidence but I didn't know I was being filmed. All I will say is that I wasn't remotely trying to be sexy. It's been edited and it's not what it seems."

Brooke Vincent has a crush on Danny Dyer.
The 'Coronation Street' beauty - who plays Sophie Webster - has admitted to fancying the 36-year-old actor, who stars on rival soap 'EastEnders'.
Quizzed about her TV crush, she said: "Danny Dyer. That's really bad ... it just blurted out, I didn't even have to think about that one. Don't tell him!"
Brooke made the admission at the Freesat Free TV Awards on Wednesday (18.06.14), where 'Corrie' triumphed over 'EastEnders' to win Best British Soap.
The 22-year-old is looking for love again after ending her three-year relationship with footballer Josh McEachran earlier this month.
A source said: "Brooke and Josh are no longer together.
"It's a difficult time for her because he was her first love. But she's a positive person and she's got many good friends, so she'll be fine."
Meanwhile, Brooke's on-screen love life is going from strength-to-strength as Sophie and girlfriend Maddie Heath (Amy Kelly) have got more serious in the last few months.
And it seems the pair are in it for the long-haul as Amy was recently handed a new one-year contract after impressing the ITV soap's bosses in her very first acting role.
A source said: ''The bosses are really pleased with Amy. They were delighted to get such high figures for the kiss [between Maddie and Sophie].
''It was after that they decided they wanted to extend her contract.
''Amy absolutely adores being in 'Corrie' and has made some great pals on set so we hope for great things for her in the future.''

James Buckley doesn't like watching 'The Inbetweeners'.
The 26-year-old actor, who played sex-mad teenager Jay Cartwright on the E4 comedy series, claims he has hardly seen any episodes of the hit show because he finds it "boring" watching himself on TV.
He exclusively told BANG Showbiz: "I don't watch the show with my family at all. There's loads of episodes that I've never seen! I'm really proud of it, I think it's very funny. But it's just that it's a bit boring for me.
"I was there doing the scenes 20 times over. When I watch the episode when they go to the nightclub, for example, all I'm going to think about is how many degrees it was below zero, and how we were up all night doing it and freezing and miserable."
James joked that fans are disappointed when they meet him in real life because he is worlds apart from his crude alter-ego.
He said: "When I meet people in the street, I can see in their eyes that there's a tiny part of them that slowly dies because I'm not this crazy, mental, misogynistic teenager. I'm actually painfully boring, I think that destroys Jay for them."
But the actor - who is returning alongside Simon Bird, Blake Harrison and Joe Thomas for 'The Inbetweeners 2' movie this summer - sometimes finds himself getting carted off by laddish fans who treat him exactly like his hapless character.
He added: "I'm very popular with the lads. They think they're talking to Jay. I'm just a little, shy bloke. Because 'The Inbetweeners' are so sweet and innocent and are just four idiots that people do what they like with, I get pulled about a lot like a rag doll.
"They'll go, 'Come over here, Jay! Look who it is!' I just float away with them. I get a lot of 'bus w****r' comments!"
James hosted an epic pub crawl event in Shoreditch to help celebrate Bing's fifth birthday. Find out more about how to take part in the Bing It On challenge at www.bingiton.com.
Watch the video by visiting http://youtu.be/YIUX6h1dyyE.

Harry Hill will reportedly host a revival of 'Stars in Their Eyes'.
ITV is hoping to bring back the popular singing show, which sees ordinary members of the public impersonate their favourite singers and perform a number, which was a huge hit in the 1990s.
According to Forbes.com, the new series is being produced by Endemol - the production company behind 'Big Brother' - and will mark Harry's return to ITV after quitting his hugely popular comedy show 'Harry Hill's TV Burp' in 2012.
An ITV spokesperson has played coy about the speculation, saying: "We are talking to Harry about projects, and we love working with him, but there are no confirmed programmes commissioned at this stage."
Harry previously appeared on the show as a contestant on a celebrity special in 1999 when he impersonated Morrissey and sang 'The Charming Man'.
'Stars in Their Eyes' originally aired from 1990 to 2006, and it's most famous host is Matthew Kelly, who fronted the light entertainment programme from 1993 to 2004.
Cat Deeley took over the show in its final two years before ITV axed it.
The revival follows news that ITV is also working on bringing back game shows 'Celebrity Squares' and 'Name That Tune'.
The channel has already successfully relaunched 'Catchphrase', 'Surprise Surprise' and 'Through the Keyhole' in recent years.

Cheryl Cole's new album will be called 'Only Human'.
The 30-year-old pop star, who recently unveiled 'Crazy Stupid Love' as the lead single from her fourth studio album, has confirmed her new record's title and a November release date.
Cheryl says the title is a reminder to herself that she is a "normal" person following a crazy two years which saw her release her third album 'A Million Lights', perform a nationwide arena tour, reunite with Girls Aloud for a greatest hits tour and announce her return to TV talent show, 'The X Factor'.
Appearing on 'The Graham Norton Show' - which airs on BBC One tonight (20.06.14) - she explained: "I was exhausted, I'd had a solo tour and then toured with Girls Aloud so I took a year off to be with my family. It was the first time off I'd had in 10 years - it was a normal time."
Cheryl is set for another busy year as she has just begun filming auditions for the new series of 'X Factor' and will release 'Crazy Stupid Love' next month. In addition to her musical and TV endeavours, the starlet will also have her own fragrance in shops this summer.
Previously talking about the months ahead, she said: "The perfume launch in August and the album launch in November. I'm so busy at the moment, I'm just taking things one day at a time."

Lily Allen would swap Christmas for Glastonbury.
The 29-year-old singer, who has been to the music festival at Worthy Farm every year except one, can't wait to perform at the famous event for the fourth time next week after the release of her new album 'Sheezus'.
Speaking to DJ Nick Grimshaw on Radio 1's Breakfast Show, she said: "I go in hard. I was six-weeks-old the first time I went. I mean I would trade Christmas for Glastonbury.
"I didn't go once. But yeah I've been every year, even when I was preggers."
Lily is joined on the bill by headliners Arcade Fire, Kasbaian and Metallica, along with Ed Sheeran, Dolly Parton and other big name artists.
The main stage holds a special place in Lily's heart, because it's where she first started romancing her husband Sam Cooper when she performed and the pair now have two children, Ethel, two, and Marnie, 16 months.
She said: "I've only ever played on the Pyramid Stage, but it's a nice story though because the last time I played it and Sam, my husband, we got together that night! And now it's five years later and we have two children.
"We'd known each other since I was a teenager, but we decided we fancied each other on the night I played Glastonbury last."
The 'Hard Out Here' singer also revealed her father, actor Keith Allen, is a Glastonbury veteran and has already set up camp at the site in Somerset, even though the event doesn't start until Wednesday (25.06.14).
She said: "My dad's been there for a week, yeah he's setting up. He's taking a hot tub. Yes! He's quite funny.
"I'm a bit worried though because when my dad goes down to Glastonbury a month before it starts, I'm sort of worried about what sort of state he's going to be in by the time I get there."

Matthew McConaughey may not appear in 'Magic Mike XXL' because he's too expensive.
The 44-year-old actor played ageing male stripper Dallas in the 2012 movie but following a career resurgence, including an Oscar win earlier this year for his role in 'Dallas Buyers Club', producers may no longer be able to afford his services, his co-star has claimed.
'Magic Mike' star Gabriel Iglesias, who played Tobias in the movie, told DishNation.com: "Word has it that Matt's probably not gonna be involved, because he's worth a lot of money now - that whole Oscar thing."
Iglesias went on to confirm he would be back for the sequel, which is being spearheaded by actor-and-producer Channing Tatum.
The original movie is based on Channing's own experiences as a male stripper in Florida before he became a Hollywood star.
Hunky co-star Joe Manganiello recently confirmed the sequel will begin shooting later this year.
He said: "Yeah, it's gonna happen this fall. I think they're going to announce it soon. It's crazy. I didn't think that would be my first franchise. I never thought that would ever be the direction of my career.
"But that said, it's just proof that I don't know best, all the time. It was the most fun I've ever had, and I can't wait to get back in and mix it up with those guys."
It's not yet known whether co-stars Alex Pettyfer and Matt Bomer will return.
The sequel, due for release in July 2015, will be directed by the original's first assistant director, Greg Jacobs, after director Steven Soderbergh opted against returning.

Mark Wahlberg says he got fat while filming 'Transformers: Age of Extinction' in Hong Kong.
The 'Lone Survivor' actor is currently starring as mechanic Cade Yeager in the upcoming fourth movie in the series - directed by Michael Bay - and he's confessed it took him a while to get back into shape after gorging on the local cuisine.
Speaking at the film's premiere in the Chinese city, he said: "I've seen Hong Kong on TV before, but when I landed on the plane, it was just breathtaking.
"And of course the food was fantastic, so I was eating way too much, Michael started to notice I was putting on a little weight.
"Even when I see [cast member] Li Bingbing now, she said, 'You've lost a lot of weight'. But I couldn't help enjoying the food and I just hope I can come back to Hong Kong when I'm not working so I can actually experience the city and take some time to really see the sights."
The 43-year-old star also opened up about his character's relationship with his daughter Tessa Yeager, played by Nicola Peltz, who together discover deactivated robot Optimus Prime, who features in the original 'Transformers' trilogy.
Mark explained: "He's [Cade] an all-around good guy, very positive and optimistic and always sees the good in people. He's just an ordinary guy doing extraordinary things to keep his daughter alive."

Mel B says her children can't sing "that well".
The former Spice Girls star insists it's unlikely her kids, Phoenix, 15, Angel Iris, seven, and Madison, two, will follow in her footsteps and have a career in music because they don't have the appropriate talent.
Speaking to the Daily Mail Australia, she said: "My kids can't sing. If they were really good at singing I wouldn't have a problem [with them having a music career] but my kids can't sing that well. They'll sing [Disney's] 'Frozen' but it's not like, 'Oh my God they're incredible' - they're just being kids.
"Right now my two-year-old Madison does everything my seven-year-old does - and my seven year old is into Barbies and princesses, while my 15 year old is into basketball."
The 39-year-old singer - who is currently a judge on 'The Voice' Australia, hosts a breakfast show for 2DayFM once a week and is the newest judge on 'The X Factor' UK - admits her children regularly accompany her when she's on set, but she's not worried about them being overexposed to the showbiz world.
She explained: "They come on set with me a lot, they love watching the show."
Although the feisty star has lots of jobs, Mel B insists she loves being so busy and always puts 100 percent into all her work.
She insisted: "I love to work, I love to do the jobs and I don't do anything unless I do it 100 per cent. I wouldn't do it if I didn't believe in it."

Olivia Palermo and Johannes Huebl reportedly picked up their marriage licence on Tuesday (17.06.14).
The couple are one step closer to tying the knot after being issued the necessary legal document at the Office of City Clerk Marriage Bureau in Manhattan, New York City, according to the New York Daily News newspaper.
The pair, who have been dating since 2008, got engaged on New Year's Eve (31.12.13) after Johannes, 27, popped the question to the fashion designer, 28, while they were holidaying on the Caribbean island of St. Bart's.
The German-born model took to his Instagram account shortly after the romantic proposal to announce the happy news.
He uploaded a video of his stunning wife-to-be walking through luscious foliage before she is seen twirling around a palm tree to reveal her engagement ring.
In a message accompanying the clip, he wrote: "Happy New Year to everybody and this is how we celebrate it: OP said Y E S (sic)"
Johannes has previously told how he and Olivia have an "old romantic" approach to their relationship.
He said: "I think that I'm constantly learning, and we're both eager to learn about not only each other, but our interests.
"I think we have a very conservative, old romantic, private approach to our love."

Cheryl Cole was inspired to get her rose tattoo on her butt after almost dying from malaria in 2010.
The 'Crazy Stupid Love' singer made a "f**k it" list after contracting the deadly disease during a visit to Tanzania four years ago.
One of the things on her list was to get the huge flower tattoo inked across her back and backside so Cheryl took the plunge and got tattoo artist Nikko Hurtado to create the design last August.
Speaking on UK series 'The Graham Norton Show', which will air on BBC One tonight (20.06.14), she explained: "After I had malaria I created a 'f**k it list' because life's too short and the tattoo was on the list."
When asked about how much the inking cost, she added: "He's an exceptional artist and he was worth it ... It was in the thousands, probably the cost of a small car."
The 30-year-old pop star - who has returned to 'The X Factor' this year - sat for three eight-hour sessions to get the detailed flower etched onto her skin, but recently admitted the pain was worth it because she's so happy with the design.
She said previously: "I have three tattoos, this one, one on the back of my neck and the rose. The guy that did it is a proper artist, he does oil paintings, he's unbelievably talented.
"It took about three 7 to 8-hour sessions. It was fine, I didn't get it all done in the one go and he's really amazing at what he does so it wasn't too bad."