Beyoncé didn't want Nicki Minaj to "hold back" in their new 'Flawless' remix.
The 32-year-old singer wanted the 31-year-old rapper - whose real name is Onika Maraj - to let loose when she recorded her verse for the re-worked track.
Speaking on radio station Hot 97, Nicki said: "A month or two ago, Gee [Roberson] called me when I was on my way to Vegas and said, 'Beyoncé wants you to remix to 'Flawless'.
"After I got proper medical help and started breathing again, I was like, 'What?'
"She sent me a version that she wanted. She told me, 'I want you to be you. I don't want you to hold back.'
"I was actually in New York writing the verse. I recorded the verse in New York and she stopped by the studio. She was such a sweetheart. She was hyping me up, 'Do your thing. Don't hold back. Go in.' "
However, the busty brunette admits she didn't think a collaboration with Beyoncé would ever happen at this stage in her career.
She explained: "I figured that eventually we would do something together. I mean, I'm not gonna lie. Recently I thought it would never happen because I felt like if she was going to ask me, she would have asked."
She added: "I think the stars aligned the right way. We are just in the right places in our careers that it makes sense now."
'Flawless Remix' was released last weekend.

Charlotte Crosby is set to interrupt her ex-boyfriend Gaz Beadle's date with new lover Marnie Simpson when she returns to 'Geordie Shore' tonight (05.08.14).
The loud-mouthed beauty creates an awkward atmosphere when she unexpectedly storms into the intimate candle-lit dinner on the MTV reality show and catches the loved-up pair toasting their new romance.
In tonight's episode, Marnie says: "Charlotte has just walked through the door; this is going to ruin everything.
Gaz adds: "Sh*t. I genuinely cannot believe I've just made a toast to me and Marnie and in walks Charlotte. F**k my life."
However, Marnie is left stunned when a drunk Charlotte approaches her on a night out and tells her she's glad her former flame has found someone he's happy with.
She tells the brunette beauty: "Marnie, I've had a boyfriend for over a year now. Don't you ever think that you getting with Gary would ever hurt me. It makes me happy just to think that finally he's met someone who he doesn't have to sh*g people in front of."
Marnie, who initially thought she was going to have a bust-up with Charlotte, is confused by the stunning star's polite behaviour
She says: "What the hell? Me and Charlotte are actually getting on. This is not what I expected tonight, but I am really happy about it."
'Geordie Shore' continues tonight on MTV at 10pm.

Brian Blessed has revealed he turned down the role of 'Doctor Who'.
The British actor was approached to take on the iconic role in the mid-60s when First Doctor William Hartnell was about to be replaced in the TARDIS.
However, he declined due to other work commitments meaning the BBC went on to cast Patrick Troughton as the Second Doctor.
In an interview with Radio Times magazine, Blessed revealed: "After I was in 'Z Cars', the head of BBC serials took me aside and said, 'We're thinking of having a young Doctor Who and we'd like to cast you'. But it clashed with other things."
When asked what his decision would be now if he was asked to star as the lead in the sci-fi series, he replied: "I'd jump at it!"
Blessed - beloved for his performance in cult sci-fi film 'Flash Gordon' - has some interesting ideas as to who should be cast as the Doctor when Peter Capaldi, who is about to debut in the role in a couple of weeks, decides to exit the TARDIS.
He said: "I think they need to re-examine his surname - 'Who' is very oriental. It's about time they had an Asian actor as the Doctor and a female one."
Blessed, now 77, did eventually appear in a 'Doctor Who' adventure in 1986 playing King Yrcanos in the story 'Mindwarp' - part of the series-long narrative 'The Trial of a Time Lord' - opposite Sixth Doctor Colin Baker.

'The Only Way is Essex's Grace Andrews is adamant she'll never be friends with Fran Parman again.
The brunette beauty, 25, had a big bust-up with her fellow cast-mate in the last series of the reality TV show after she revealed Fran had cheated on her boyfriend James 'Diags' Bennewith at the beginning of their relationship, but Grace doesn't want to patch things up with her former pal because their friendship is dead.
Grace explained: "I think with the Fran situation, if she apologised to me I would obviously accept the apology and move on, but I just don't think I could... it's gone so far now I don't think I could be friends with her. I could be civil, so it's not just arguing, but as far as friendship is concerned I think it's gone too far for that."
Despite the arguments, Grace is glad she joined the ITV2 show, but she's still trying to work out who she can trust and who she needs to stay away from.
She explained: "I'm 100% happy, there's certain people on the show that you trust and there's certain people that you don't trust, but I'm happy on there, I think that I kind of dodged the bullet by getting away from that."
Grace enjoyed the refreshing great taste of Carlsberg Blackcurrant and Citrus at the Carlsberg Born to be Chilled BBQ at Luxe in Essex at the weekend.
Keep up with more Born to be Chilled events this summer by following @BornToBeChilled on Twitter or Instagram #BornToBeChilled"

Ricky Gervais is making a movie on David Brent.
The 53-year-old comedian is planning to shoot the feature length film 'Life on the Road', which is based on his awkward character in 'The Office', next year.
The movie catches up with David after he was made redundant from Wernham Hogg 15 years ago and follows him as he tries to make it as a rock star while working as a sales representative.
A press released from BBC Films reads: "We find out what Brent is doing now and what's happened in the last 15 years since his redundancy from his beloved Wernham Hogg. He's a sales rep now, selling cleaning products up and down the country, but has never really given up on his dream of being a rock star."
The film will also follow David's self-funded UK tour.
The statement added: "He thinks it'll be like Scorsese filming the Rolling Stones, but it turns out to be a 'where are they now' documentary. He has to take a few weeks off work and cash in a couple of pensions, because the session musicians are costing him more than he's getting in ticket sales. Tragic."
Meanwhile, Gervais' alter-ego gained worldwide fame in the BBC Two comedy between 2001 and 2003.

Elijah Wood has joined the cast of 'The Last Witch Hunter'.
The eagerly-awaited supernatural action movie will feature Vin Diesel and Michael Caine, and it has now been revealed that Wood - star of 'Lord of the Rings' - will also appear in the flick.
The film - which also stars 'Game of Thrones' actress Rose Leslie - centres on an immortal witch hunter, played by Diesel, who joins forces with a witch to stop New York City's covens from releasing a plague.
'The Last Witch Hunter' has been scripted by Burk Sharpless and Matt Sazama, who penned 'Gods of Egypt'.
Vin Diesel recently spoke about the new flick, saying he was particularly looking forward to working alongside Michael Caine.
He said: "I'm about to do a movie with Breck Eisner called 'The Last Witch Hunter' where I play a 700-year-old New Yorker, which should be a lot of fun.
"Working opposite Michael Caine will be a blast. I've always wanted to work with Michael Caine so it'll be the first time I get to work with Michael Caine."
'The Last Witch Hunter' is set to be released later this year.

Tallulah Willis "struggled" with body dysmorphia when she was younger.
The 20-year-old blogger - who is the youngest daughter of former Hollywood couple Bruce Willis and Demi Moore - was diagnosed with the condition when she was 13, meaning she has a distorted view of her own appearance, and claims she always felt "ugly" because of gossip written about her family.
Stripping to her underwear for a StyleLikeU video interview, she said: "I struggled a lot when I was younger.
"Like I'm diagnosed with body dysmorphia with reading those stupid f***ing tabloids when I was like 13 and feeling like I was ugly, like always. I believed the strangers more than the people who loved me because why would the people who love me be honest?"
Tallulah admits she began dressing more provocatively in "denim short shorts and push-up bras" and lost a worrying amount of weight, but her physical transformation left her feeling worse than ever.
She added: "That made me start to dress showing off my boobs and my butt and those things that I was getting attention for.
"I was trapped in this body. I started starving myself and losing a bunch of weight and I got down to like 95 pounds. When I lost my curves and when my boobs shrivelled up into like nothing and I had no shape. It put me in even more of a cage."

Megan Fox showed her motherly love to son Noah as she arrived at John F Kennedy Airport in New York with her son and husband Brian Green. Perhaps like many other parents on planes the little tyke had spent the flight kicking the chair in front and wrig...

Kim Kardashian made one fan's day when she stopped to take a selfie with him. Kim was on her way to 'Jimmy Kimmel Live' in Los Angeles but was more than happy to stop for the snap putting on her best selfie pout.

Cara Delevigne was all giggles and smiles as she showed off her hand tattoo to paparazzi as she strolled through London. Perhaps the supermodel didn't expect to be going out as she matched a pair of pyjama bottoms with a cream sweater.

Jessica Alba decided to go shopping on Murray Street in New York. The star dressed up her loose fitting stripy trousers and white t-shirt with a black blazer and sunglasses.

Shia LaBeouf looked in reflective mood as he headed to an Alcohol Anonymous meeting in Los Angeles on Monday (04.08.14). Shia has been seeking help for his drinking following a series of incidents which culminated in him being arrested at New York's St...