Wrapped in a puffy parka, Aniston hits the N.Y.C. set of her new comedy, The Baster. Plus: Gwen Stefani, Jennifer Lopez, Clay Aiken and more

RHYTHM NATION

Halle Berry gets down to rapper Hurricane Chris's song "She's Fine" (which gives a shout-out to the actress) with dance-loving Ellen DeGeneres during a taping of her talk show in Los Angeles on Wednesday. The episode airs Tuesday, March 31.