Katy Perry accepts Britney Spears' challenge.
Celebrities just can't stop pouring buckets of ice on themselves.
Those backing vocals sound an awful lot like the "Chandelier" singer.
Zoe Saldana will never have a bad thing to say about Britney Spears.
Britney Spears is a fan of this on-the-rise group, who are working with hitmakers Dr. Luke and Max Martin.
Britney Spears wants you to wear her underwear.
The 10 Best Live N'Sync Performances!
The "Chandelier" singer nabbed her first No. 1 album this week.
Music producer William Orbit defending the singer's off-key rendition of 'Alien,' insisting that the recording is merely a warm up.
Lisa Rinna proves that Britney Spears' music is for all ages.
If you could score a date with one of these celebrities, what would you do, where would you go, what would you wear and most importantly, who would you choose? Cast your vote and defend your answer in the comments!
Whoo hoo! Britney Spears has been Simpsonized, and ET is giving away four Britney Celebrity Guest Stars figures! Click for a chance to win one!
From Sherri Shepherd's custody battle over an unborn child to the alleged disappearance of Casey Kasem, we're looking into Hollywood's most bizarre family battles.
ETonline is sharing the top luxury getaways in California that your favorite celebrities frequent when they need a little escape from Hollywood.
