Video: Beyoncé, Kelly Clarkson, and Katy Perry Celebrate Obama's Inauguration!
Video: Go Inside the Kids' Inaugural With Katy Perry, Usher, and the First Lady!
Katy and Usher Join Forces With the Obamas for Kids' Inaugural Concert
Obamas, Usher, and Katy Perry Honor Military Families at Kids' Inaugural Concert
Video: Jennifer Lawrence, Lauren Conrad, and More Share 2013 Resolutions!
Which of These Hollywood Men Would You Like to Kiss at Midnight?
Taylor and Justin Win Big at the American Music Awards
Usher Bids $12K to Win a Puppy Named Poppy
Britney Spears and Halle Berry Honor Whitney With a Star-Studded Show
Usher Showcases His Moves in New Video
Video: Carson Daly Shares Excitement For Usher and Shakira Joining The Voice
See All the Photos From the iHeartRadio Music Festival!