The starlet started her musical career as a Christian gospel singer but found worldwide success with 'I Kissed A Girl' in 2008. Four albums, multiple awards and one spectacular Superbowl performance later, and the rock pop princess is still going strong.
California Gurl has been named as Billboard magazine's 'Woman Of The Year' for 2012.
Rihanna and Katy Perry are up for several awards at the 2012 music ceremony
The 'We Found Love' singer has recruited a team of a-list stars to help out each week on her Styled to Rock reality show.
The 'Part Of Me' star's insurers are worried the device could cause a serious neck injury.
Rosie Huntington-Whiteley, Michelle Keegan, Cheryl Fernandez-Versini, Jennifer Lopez, Gigi Hadid, Jesy Nelson, Heidi Klum, Lady Gaga and Drew Barrymore ditch the makeup and go for a natural look.
An amazing stage look can become synonymous with an artist's image or career, take a look at these instantly recognisable clothes and discover the story behind them.
Prepare to be struck down with hair envy as these stars show off their auburn tresses and copper locks.
We countdown the top 20 Instagram accounts that you need to know about!
Take a look at this adorable baby girl as her frown is turned upside down!
The California Gurls singer has premiered the full promo video for her first documentary film.
Watch the new Adidas advert in which David Beckham and Katy Perry go for a run.
The 27-year-old star has unveiled the hotly anticipated music video for her latest single Part Of Me.
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