Zac Efron — fresh from his role as Troy in High School Musical 3 — joined host Hugh Jackman on stage to perform a medley of movie musical hits, including Mamma Mia!,The Sound Of Music and Hairspray.
Of course, any musical moment wouldn’t be complete without the help of Beyonce, who stole the stage with her powerhouse vocals. The duo were then joined by Efron, his HSM costar Vanessa Hudgens, and Mamma Mia! stars Amanda Seyfried and Dominic Cooper. Relive the epic performance below.