Star Tracks
The singer dances up a storm during a Today show performance. Plus: Britney Spears, Halle Berry, Bruce Willis, and more
More from PEOPLE
HAVING A BALL
Kevin Costner and Evan Rachel Wood bond at the The Upside of Anger premiere. Costner plays a washed-up baseball star (again) while Wood is the daughter of his love interest (Joan Allen). The film opens March 15.
