The sexy duo show off their moves in New York City. Plus: Ashlee, Beyoncé and more


It's a WB reunion: Former-Buffy the Vampire Slayer castmates Michelle Trachtenberg (left) and Sarah Michelle Gellar join ex-Charmed star Shannen Doherty on Tuesday at a New York concert featuring Alanis Morrisette. Gellar hosted the invitation-only event benefiting the Step Up Women's Network.

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