Johnny Depp joined Alice Cooper, who’s rumored to have a cameo in Tim Burton’s Dark Shadows, on stage during an intimate show at London’s 100 Club Sunday night. Depp played guitar on “‘I’m Eighteen” and “School’s Out.” Cooper had tweeted that a surprise guest would be joining him, so cell phone cameras were at the ready. Watch a few fan-shot videos below for various angles. Two questions: Isn’t it funny that on stage with Alice Cooper is the most “normal” Depp has ever looked? And how many guitarists does Alice Cooper need?