Colbie Caillat Talks Breakthrough, Wants To Work With Hip-Hop Artist

'She's one of the best songwriters I've ever known,' Caillat says of collaborator, 'American Idol' judge Kara DioGuardi.

Britney Spears' Fans Love Circus Tour Fashion, Set List ... Everything!

Pittsburgh concertgoers try to narrow down their favorite moments from pop star's tour.

Men At A Britney Spears Concert: What Are They Doing There?

While some are escorts or closeted fans, others aren't afraid to scream, 'I love Britney!'

Britney Spears' Fans Say: Don't Call It A Comeback!

'I don't think she ever went away,' says one fan at Circus tour's Pittsburgh stop.

Britney Spears' Circus Tour Wows Pittsburgh

From 'Circus' to 'Womanizer' to '... Baby One More Time,' fans can't get enough Britney.

Vampire Weekend Frontman Ezra Koenig's Students Recall Playing Pranks On The Future Rock Star

Just before he made it big, Koenig was an eighth-grade English teacher getting gum stuck on his chair.

Madonna's 1985 Look-Alike No Longer Rocks The Lace Gloves, But She's Still Madge's Biggest Fan

MTV News catches up with JeanAnn Difranco, winner of our look-alike contest 23 years ago.

Miley Cyrus' '4 Minutes' Viral Video Gets A Reply From Madonna -- Apparently

Material Girl cleans up her video set after 'Hannah Montana' star's online dance battle becomes a hit.

Teenage Girls' High STD Rate: Alarming Study Should Be A Call To Action

CDC reveals that one in four teen girls has an STD, but most of their diseases are treatable and preventable.