Gomez is a show-stopper at a holiday concert in San Jose, Calif. Plus: Zac Efron, Anne Hathaway, Tori & Dean, Fergie and more

STAR 'STUDDED'

Fergie puts her back into it while greeting fans outside of L.A.'s The Conga Room Tuesday, where the singer was on hand to celebrate Black Eyed Peas bandmate apl.de.ap's birthday.