Squeaky-clean pop star shows she's all grown up on her fun, clubby third album
Rick Springfield, Liz Phair, Chris Daughtry and others help out with this goofy CollegeHumor sketch
First lady doesn't rap on compilation for Let's Move! campaign
See snapshots of rock and movie stars as they visit the magazine headquarters
Singers come together for medley at 'VH1 Divas' special
Singer recalls time she spent with the late pop icon on the set of 'Sparkle'
Singer endured four tryouts for part of daughter
Nicki Minaj, Lady Gaga, Justin Timberlake weigh in
Song to appear in upcoming film, 'Sparkle'
'Celebrate' is a duet with former 'Idol' winner Jordin Sparks