Justin Bieber wants on 'The X Factor,' is 'seriously looking' for a girlfriend

justin-bieber-green-shirt.jpg Justin Bieber is a relative newcomer to the music world, but he still thinks he has some advice to offer aspiring stars. Are you listening, Simon Cowell?

"I think Simon Cowell is great," Justin says in an interview with The Sun in London, adding that he hopes to work with the ex-"American Idol" judge on his next TV project: "Some people might not like getting advice from a guy my age, but 'The X Factor' is coming to the U.S. and I would love to do a guest judging slot."

The Biebster also shares his thoughts on his ideal woman in the interview. He cites Katy Perry and Cheryl Cole as having a lot of the things he's looking for.

"Cheryl Cole and Katy Perry are two of the hottest girls in the world -- and so normal and funny with it," he says. "If I was a few years older they are the kind of girls I'd like to date. I want a younger version of Cheryl and Katy -- a mixture of the two would be hot.