There wasn't a dry eye in the Dolby Theatre during Sunday's Academy Awards after Lady Gaga delivered a powerful performance of "Til It Happens to You." Gaga took the stage alongside tens of survivors of sexual abuse to sing the Oscar-nominated song, which she co-wrote for The Hunting Ground, a documentary exploring campus sexual assault. The poignant performance received a standing ovation, and brought audience members to tears. Gaga was introduced by American vice president Joe Biden, who