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ST PAUL, MN - JULY 17: Johnny Depp from The Hollywood Vampires plays his guitar at the 2016 Starkey Hearing Foundation "So the World May Hear" awards gala at the St Paul RiverCentre on July 17, 2016 in St Paul, Minnesota. (Photo by Adam Bettcher/Getty Images for Starkey Hearing Foundation)

ST PAUL, MN - JULY 17: Johnny Depp from The Hollywood Vampires plays his guitar at the 2016 Starkey Hearing Foundation "So the World May Hear" awards gala at the St Paul RiverCentre on July 17, 2016 in St Paul, Minnesota. (Photo by Adam Bettcher/Getty Images for Starkey Hearing Foundation)