Britney Acknowledges Boyfriend Cheated, Takes It Out On Perez

Hilton: Spears made me 'her bitch.'

Demi Lovato Is The Most Adorable Tourist Ever

Demi Lovato was photographed visiting the Tower of London.

Need To Know: Rihanna Wins Big At iHeartRadio Awards

In the first-ever iHeart Radio awards Thursday night in Los Angeles, Rihanna was the center of attention. The megastar took home four prizes including Artist of the Year.

The 16 Most Insane Moments In The New Lil Jon/DJ Snake Video

Lil Jon has long been known for his unique style. But his new "Turn Down For What" video with collaborator DJ Snake takes things to a whole new level of bizarre, amazing insanity.

'Jurassic World' Discovers Its Villain

Vincent D'Onofrio has been cast as the mysterious villain in "Jurassic World."

Radiohead Stage Collapse Kills One

Accident in Toronto left two others injured. All three men were likely members of Radiohead's tour crew.

'Harry Potter' And The MTV Movies Live-Blog

Announcing 'Harry Potter' And The MTV Movies Live-Blog

Drake Reveals Lil Wayne's Vegas Cameo Surprised Him

'Everybody around me was just playin' me, including Wayne,' MC admits.

Ke$ha's 'We R Who We R' Video: Check Out An On-Set Photo!

Check out an on-set photo from Ke$ha's "We R Who We R" video shoot! Hype Williams helmed the clip for the first Cannibal single.

Rush Limbaugh Is Too Soft For 'Family Guy'

Snooki Reveals Her Favorite 'Jersey Shore' One-Liner

Snooki reveals her favorite "Jersey Shore" one-liner. Find your favorite in "Gym, Tanning, Laundry: The Official Jersey Shore Quote Book."

'Jersey Shore' Wisdom Comes To Life With Jackson Rathbone, Others

The wisdom of "Jersey Shore" comes to life in "Gym, Tanning, Laundry: The Official Jersey Shore Quote Book." Jackson Rathbone and other celebs re-enact the book's best lines.

'The Simpsons' Head To Jerusalem With Sacha Baron Cohen

Brooklyn Decker Is The 2010 Sports Illustrated Swimsuit Cover Model

Coldplay's Chris Martin Guest Stars On 'The Simpsons'

Bruce Springsteen Plays The River For The First — And Only? — Time

DJ AM's Final MTV Interview

Katrina 'Bikini Girl' Darrell Gets A Few More Minutes In The Spotlight

MTV News Correctly Guesses Approximately One-Third Of The 'Maxim' Top 10

Eminem In London At The BBC Studios

Our Nominees For The 'Maxim' Hot 100 List

Jessica Simpson Plays San Antonio, And Looks Great

Eminem To Get Animated With Stewie Griffin From 'Family Guy'

'I'm a big fan of talking babies and their humor,' Em says of his cartoon co-hosting gig on Sunday.