Video: Beyoncé Performs at the Oscars

Hugh Jackman and Beyoncé

Beyoncé performed a medley of musical hits during the 81st Annual Academy Awards at the Kodak Theatre in Hollywood on Sunday. She was joined by Oscar host Hugh Jackman, Zac Efron, Vanessa Hudgens, Amanda Seyfried, and Dominic Cooper in the Baz Luhrmann-produced number.