Justin Bieber has been branded "stupid" for holding on to a moving van while out skateboarding.
The 20-year-old pop star stunned fans by posting a video on Instagram of him riding down a busy road in Beverly Hills, Los Angeles, while grabbing onto the door of his blacked-out vehicle.
He's seen in the video wearing low-waisted trousers, sunglasses, a hooded jacket and boots and captioned it: "Ridin down fairfax lol had a great time (sic)", but some fans were less than impressed with his irresponsible actions.
One follower wrote underneath the video: "JUSTIN. Please be careful, this looks SO dangerous!! (sic)", while another added: "This is stupid. lol. You could get hurt J. (sic)"
Meanwhile, the star later posted a photograph of him relaxing in a cinema night with his friends as rumours continue to swirl about his love life and relationship with ex-girlfriend Selena Gomez, who sources say he still has feelings for.
An insider said: "Selena treated him like a regular person but all of these other girls treat him like a God and let him do whatever. I think they make Justin feel like he's in control and calling the shots."
Selena, 21, and Justin were last spotted at Coachella Valley Music and Arts Festival last month in California but have since had a "huge fight" and he has been linked to a number of beauties, including Selena's friend Kylie Jenner and model Yovanna Ventura.

Dr. Dre is buying Gisele Bundchen and Tom Brady's $50million Los Angeles mansion.
The rapper and producer, who is in talks to sell his Beats Electronics business to Apple for a rumoured $3.2billion, has been busy looking for a new property and has his eye on the impressive custom-built home in Brentwood.
A source told the New York Post newspaper: "Dre put an offer on the mansion as soon as it came on the market, and is a few weeks away from closing."
Insiders claim the star made an offer near the $50million asking price for the 14,000-square-foot property, which boasts six bedrooms, a fully-equipped gym, library, infinity pool and even a moat and waterfall.
Gisele and Tom reportedly forked out $40 million over the space of four years to build their dream home but plan to relocate to Boston permanently, where they're busy constructing yet another massive 14,300 square-foot mansion over five acres of land.
The supermodel and NFL star - who have a four-year-old son, Benjamin, together - also recently splashed out on a $14million apartment in New York City.
Dre, 49, recently joked about the Forbes list of the richest stars in hip-hop, which placed him at number two behind Puff Daddy, saying: "They need to update the Forbes list. S**t just changed."
In a video which was posted on actor Tyrese Gibson's Facebook page, Dre added: "The first billionaire in hip-hop, right here from the motherf***king West Coast", before later deleting the post.

Miley Cyrus and Kelly Osbourne are among the celebrities who have paid tribute to their mothers on Mother's Day in the US today (11.05.14).
The 'Wrecking Ball' hitmaker shared a childhood snap of her with mother Tish holding a teddy bear on Twitter with the caption: "Happy Morhter's Day mama tishcyrus (sic)".
Kelly posted a touching snap on her and mother Sharon on her Instagram page of them face-to-face, with the message: "I love you Mumma more than you will ever know! Thank you for making me the women I am today! @sharonosbourne (sic)"
'Keeping Up With The Kardashians' star Kris Jenner shared a photobooth snap her and her elderly mother Mary Jo Campbell, accompanied by the caption: "Happy Mothers Day to my Mommy M.J!!!!! Thank you for loving me unconditionally. One of my life's biggest blessings and loves is having you as my Mom. I love you so much!!! (sic)"
Madonna's 13-year-old son Rocco, her child with ex-husband Guy Ritchie, also posted a photograph of him with his pop star mother and joked about being disciplined growing up.
He wrote: "HAPPY MOTHERS DAY!! Thanks for being the greatest mother ever. There was some OD ass whopping but I guess it was for good reason. I love you and I thanks you for all the support (sic)."
Meanwhile, actor James Franco took time out from promoting his new film 'Palo Alto' to wish his mother Betsy Lou the best today, posting a picture of the two of them on his famous Instagram account with the words: "Happy Mothers Day Mama Franco (sic)."

Josh Duhamel feels family tradition is important and he wants his son to volunteer when he's older.
The 41-year-old actor, who has eight-month-old son Axl with wife and Black Eyed Peas frontwoman Fergie, helped others when he was a child having been introduced to volunteering by his parents and he wants his child to follow in his footsteps.
He told PEOPLE Magazine: "As a kid, my mother encouraged us to get involved. But when you're a kid you don't really want to do stuff like that. You want to do fun stuff. But I always remembered it being fulfilling.
"I want my son to understand that he is very fortunate and it's important to appreciate that and give back."
Josh is teaching by example and has been planning a benefit concert with the Black Eyed Peas in his hometown on Minot in North Dakota, which was hit by a devastating flood in 2011.
He has teamed up with the Advil Relief in Action campaign, which encourages volunteering, to raise money for the cause and help local people to get their lives back on track.
Josh said: "According to the Bureau of Labor Statistics, the rate of volunteerism in 2013 was the lowest it's been since 2002. That is amazing to me. Programs like this encourage people to get involved. It truly brings out the best of people."

Michael Jackson's brother Jermaine isn't happy about the singer's music being released after his death.
The 59-year-old singer and bass guitarist admits he has heard a few tracks from the new album, 'Xscape', which features unheard songs from the late King of Pop, but wishes the Jackson brothers had been given the opportunity to work on the album.
He told TMZ: "I heard some of the songs, I love 'Xscape', but I haven't heard the whole CD yet so until I hear it I can't give you an honest opinion. We have nothing to do with that, it's all the estate."
Asked how he feels about the music being released after Michael's death in 2009, he said: "You figure that out".
The star claims there is "other stuff" recorded by Michael which hasn't been released and he wishes his brothers - including Jackie, Tito and Marlon - could have been involved to make it an original Jackson 5 record, instead of the likes of producer Timbaland and Justin Timberlake being involved.
When the paparazzo asked, "It probably doesn't rub you up the right way, right?" Jermaine answered, "No, not at all. They're just putting it together the way they want, they don't contact us, so..
"Timbaland could have been me. The original Jackson Five back together, on record, what's wrong with that? And I love Timbaland by the way, nothing against Timbaland, but that could have been us."
Michael's album 'Xscape' will be released on May 13.

Lindsay Lohan watched friend Rita Ora perform at London's G-A-Y club last night (10.05.14).
The actress, who has finished promoting her docu-series on Oprah Winfrey's OWN network, sat at the side of the stage with a male friend as the 23-year-old singer performed a sexy striptease during her show.
She later posted a photograph of the crowd on Instagram with the message: "@ritaora #supportyourhomiez #bff", after going along to the concert with friend Chloe Green, daughter of Topshop boss Sir Philip Green.
Rita wore a white crop top and black trousers for the show, before two costume changes, and was surrounded by a number of female dancers on stage, while launching her new single 'I Will Never Let You Down'.
She posted a series of snaps on Instagram with friends who also went along to the concert, including BBC Radio 1 DJ Nick Grimshaw and model Daisy Lowe, who claims she has "fully converted" and Rita is her "new favourite pop star."
Meanwhile, Chloe claims Lindsay is "doing well" after a number of stints in rehab and thinks the 27-year-old star is leaving her hard partying days behind her.
She said: "Lindsay has cleaned up her act a lot. I'm not a big drinker, so when she is with me we do more of the shopping. We go through her whole wardrobe. She likes putting people together and dressing up."

Kim Kardashian was given a wall of flowers for Mother's Day from fiancé Kanye West.
The reality TV star, who has 10-month-old daughter North with the rapper, 36, celebrated being a mother today (11.05.14) and was delighted when a giant wall of flowers was delivered to their home.
She posted a snap on Instagram with the caption: "I woke up to a wall of roses, hydrangeas and peonies!!! I have the best fiancé in the world! I love you so much baby!!!! #HappyMothersDay (sic)"
The 33-year-old bride-to-be also posted a photograph of her lying on a fur rug, holding her daughter in the air trying to kiss her, with the caption: "This little girl has changed my world in more ways than I ever could have imagined! Being a mom is the most rewarding feeling in the world! Happy Mothers Day to all of the moms out there! (sic)"
In the touching snap she is seen wearing the same white dress she chose to wear to celebrate her Paris-themed bridal shower yesterday (10.05.14), ahead of her wedding to Kanye on May 24.
Meanwhile, Kim and Kanye's gold wedding invite has also reportedly leaked on the internet.
The invite reads: "The honour of your presence is requested at the marriage of Kim Kardashian and Kanye West."
The date is spelt out: "Saturday, the twenty-fourth of May, two thousand and fourteen. Details upon arrival. Black tie."
The card doesn't give many details away about where the nuptials will take place, apart from giving the location as "Paris, France."

Bradley Cooper's ex-wife has reportedly called him a "master manipulator".
The 'American Hustle' star, who was briefly married to actress Jennifer Esposito from December 2006 until May 2007, is believed to be the mystery men mentioned in her new book 'Jennifer's Way', according to New York Daily News.
The 41-year-old star describes the man as "funny, smart, cocky, arrogant and a master manipulator", claiming that she didn't "necessarily find him that attractive" when they first met but they quickly became a couple.
The 'Blue Bloods' star, who has written the book mostly about her lifelong battle with celiac disease, went on to say the boyfriend had a "mean, cold side", and his personality "could flip on a dime."
Jennifer claims their relationship was unhealthy and she felt as though she was a "nonissue".
She added: "I became very sad and I felt very alone", before she attended a seminar in Los Angeles, after which the relationship "hit an all-time low" and within a week it was over.
Speaking about the couple's break-up, she said it happened: "Abruptly, rudely, and with the exact callousness that I'd come to expect from him."
Bradley, 39, who is now dating 22-year-old model Suki Waterhouse, has only briefly spoken about his marriage to Jennifer.
He said: "It was just something that happened. The good thing, we both realised it ... Sometimes you just realise it. It just wasn't right."

Britney Spears is close to extending her Las Vegas residency.
The 'Perfume' singer, whose show 'Piece of Me' at Planet Hollywood Resort & Casino has been a huge success, has reportedly been offered $12 million to continue performing until 2016.
According to New York Daily News, the pop star is close to securing a deal with Ceasers Entertainment, the parent company of Planet Hollywood, to stay on at the venue.
Ceasers Palace President, Gary Selesner, said: "Britney Spears has been a great success for the company and will be extended, if she wants to do it, and I cannot see why not.
"She has been filling the place every night, and she is enjoying it and is in good health."
The 32-year-old star was scheduled to perform 50 shows per year in 2014 and 2015 as part of the initial deal, earning her an impressive $30 million, and Gary admitted it was a "gamble" in the beginning but he is now happy with how popular the show is and wants her to return for further dates.
The show, directed by Baz Halpin, runs for 90 minutes and began on December 27 at the 4,600-capacity Axis theatre, which is booked by Live Nation.
Stars including Miley Cyrus, Lady Gaga, Selena Gomez and Katy Perry are among those who have been to see Britney's popular show, which celebrates her career in music.
It has also been reported that 'Piece of Me' is outselling Elton John and Celine Dion's Las Vegas shows.

Bryan Cranston thinks Godzilla would be "horrible" at making crystal meth.
The 'Breaking Bad' actor, who sold the drug as Walter 'Heisenberg' White in the series, joked about the monster not being able to make it at the premiere of his new movie at the Odeon in London's Leicester Square tonight (11.05.14).
Bryan exclusively told BANG Showbiz: "I think Godzilla would be horrible at making crystal meth. You've got to be very refined to be able to make it. He's a monster, you know, they have a very destructive nature."
The 58-year-old actor, who stars alongside Aaron Taylor-Johnson and Elizabeth Olsen in the film directed by Gareth Edwards, also claims his character, nuclear scientist Joe Brody, is more like him than Walter White or Hal, who he played in 'Malcolm In The Middle'.
He said: " They're all pretty different. I'm not like hal and I'm nothing like Walter White. Maybe this guy in this movie is most like me."
Co-star Elizabeth admitted she hasn't seen many episodes of 'Breaking Bad' and finds it surprising how fans Brian has.
She said: "It's amazing how many fans he has. I don't watch it 'Breaking Bad', I've seen like three episodes. I feel like I'm the only human that doesn't watch it."
The 25-year-old actress also claims her and co-star Aaron have a "playful" relationship on set and she's looking forward to working with him more on 'Avengers: Age of Ultron'.
She said: "We didn't actually have many scenes together in this so it's nice to get to know each other better working on 'Avengers'. We definitely have that playful, stupid relationship."
'Godzilla' is in cinemas from May 16.

Biffy Clyro's next album will feature beatboxing, "black metal pop" and "stoner-reggae".
The 'Mountains' rockers are excited about going into the recording studio to start work on the eclectic new record, and frontman Simon Neil says he loves to "surprise" himself and their fans.
He said: "I've written about 14 songs, we probably won't start recording properly until next year, but I'm really f***ing excited about it at the moment.
"I don't want people to think the whole album will sound like this, but I've written my first ever beatbox song, and I've written a black metal pop song which I can't wait for people to hear. There's also some cool stoner-reggae s**t going on, believe it or not.
"We're still looking to do new things and surprise ourselves. It's really exciting."
The group will headline T in the Park this year - their tenth appearance at the event - and are amazed at how far they've come since their first appearance, which saw them land a record deal afterwards.
Simon told NME magazine: "T in the Park is kind of like home for our band, and it's where we've cut our teeth at every level.
"It was the first place where we played a big stage, it was the first place we played to 10,000 people, throughout the life of this band it's been a marker for us.
"So it feels poetic we're going to be headlining it, in our 15th year."

Zac Efron has no regrets about skipping university.
The 26-year-old actor, who shot to fame as a teenager in the 'High School Musical' franchise, doesn't have any qualms about not pursuing a degree because his leap into acting paid off.
He said: "This was my chance. Even on the hardest days of it, with the paparazzi and all of the attention, it's worth it to be able to be part of the movies.
"When 'High School Musical' finished, I saw the potential to continue to act and learn this craft. I'm lucky to be here. That said, I think there's a lot of things you have to learn on your own and if you're working, you don't get to do them. I was suddenly an adult at 17, making adult decisions."
The 'Bad Neighbours' star sought treatment twice last year foralleged alcohol and cocaine addiction and he admits his stints in rehab have made him value life more and scale back on work.
He told Britain's Glamour magazine: "It's important to find a balance and all I could do before was work, work, work. I'm more centred now that I've been in ages."