FILE - In this Feb. 28, 2016 file photo, Lady Gaga performs at the Oscars at the Dolby Theatre in Los Angeles. Lady Gaga and Vice President Joe Biden are bringing their act to Las Vegas for an event raising awareness about sexual assault. The pop star and the vice president will hold a rally at the University of Nevada, Las Vegas, on April 7. (Photo by Chris Pizzello/Invision/AP, File)
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