Justin Bieber may have the baby face of a cherubic teenager, but it seems his list of rockstar credentials just got longer. Disney starlet girlfriend - check (Selena Gomez). Duets with his pals Usher and Mariah Carey - check. Now, perhaps bizarrely for one whose image is built on such a wholesome, youthful style - he's become the subject of a paternity suit by a fan.

A 20-year-old American fan has alleged that the teen sensation is the father of her three-month-old child, according to Radaronline.com, after her affections for her idol went further than a kiss at the stage door of LA Staples Centre in October of last year.

In court papers reportedly obtained by Star Magazine, Mariah Yeater goes into intimate detail of how she went from autograph-hunting to pram-pushing in the blink of an eye.

In the same papers, she also demands that Bieber take a paternity test and, if proved the daddy, provide "adequate support for my baby".
Even more mind-boggling is the fact that, according to Californian law, because Bieber was 16 when the alleged encounter occurred, Yeater would be guilty of statutory rape of a minor.

Bieber's camp have come out in indignant rejection of all these claims, calling them "malicious, defamatory and demonstrably false", according to TMZ.

Whether or not he's become a father to boot, it's been a phenomenal three years for the pint-sized music maestro. In 2008, he was spotted on YouTube and promptly brought under the wing of uber-singer-producer Usher. His first album My World 2.0 is certified platinum and his video for his song Baby remains one of YouTube's most watched. He is greeted by Bieber Fever wherever he goes in the world, and earned even a dose of critical kudos with an Artist of the Year gong at the American Music Awards 2010.

Since the beginning of the year, he's been dating Disney starlet and singer Selena Gomez, due to present the MTV EMA awards in Belfast this weekend. Bieber is up for awards at the same ceremony, so be prepared for all sorts of silent but deafening statements in body language.

Bieber is also a committed Christian, who spoke in an interview earlier this year about the prospect of pre-marital sex. Stopping short of donning a celibacy ring popular in young American pop stars, he told Rolling Stone magazine: "I don't think you should have sex with anyone unless you love them."

Prepare for this one to run and run, and in the meantime, click through our Slideshow and indulge in some innocent Bieber-worship...

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• Musicians Usher, left, and Justin Bieber arrive at the 22nd Annual Kids' Choice Awards on Saturday, March 28, 2009, in Los Angeles. (AP Photo/Chris Pizzello)

• Musicians Usher, left, and Justin Bieber arrive at the 22nd Annual Kids' Choice Awards on Saturday, March 28, 2009, in Los Angeles. (AP Photo/Chris Pizzello)

• Justin Bieber performs at the Pepsi Superbowl Fan Jam Concert in Miami Beach, Florida.

• Teen pop sensation Justin Bieber performs with Drake at the Juno Awards Sunday, April 18, 2009

• Canadian singer Justin Bieber performs live in concert during the NRJ showcase on the 1st floor of the Eilffel Tower in Paris, France

• Paris Jackson and Justin Bieber during a ceremony honoring the late Michael Jackson with Hand and Footprints in Cement, held at Grauman's Chinese Theatre, on January 26, 2012, in Los Angeles.

• Canadian singer Justin Bieber performs live during a showcase at the Universale Headquaters in Paris, France.

• Justin Bieber arrives at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Chris Pizzello)

• Justin Bieber poses for photographs before a personal appearance at HMV in Westfield, west London. Over 1,500 fans turned up to try and meet the singer.

• Justin Bieber performs live on stage at the Hard Rock Cafe in Las Vegas.

• Canadian singer-songwriter Justin Bieber visits LIVE@Much in Toronto on Monday, Oct. 5, 2009. The Canadian Press Images/Christian Lapid

• Justin Bieber and his girlfriend Selena Gomez

• Justin Bieber with one of his idols, Sean Kingston

• Justin Bieber with one of his many lady-friends, Kim Kardashian

• Bieber fever

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• L-R: Smokey Robinson, Prince Michael Jackson Jr., Prince Michael Jackson II aka Blanket, Paris Jackson and Justin Bieber during the Michael Jackson Hand and Footprint Ceremony with the children of Michael Jackson making the impressions using shoes and sequined glove once worn by Michael Jackson, held at Grauman's Chinese Theater in Hollywood, California on January 26, 2012.

• Canadian singer Justin Bieber arrives at the Cannes festival palace, to take part in the NRJ Music awards ceremony, in Cannes, southeastern France, Saturday, Jan. 28, 2012. (AP Photo/Lionel Cironneau)