Johnny Depp joined Alice Cooper at the 100 Club in London on Sunday, rocking out for a shocked crowd.
Johnny strummed guitar as Alice belted out his classic "I'm Eighteen," meanwhile fans reached for their camcorders and video phones to capture all the action to later post online.
The Golden Globe winner reportedly modeled his Captain Jack Sparrow
character after Keith Richards
and also played in a band before catching his big break getting cast in "21 Jump Street."
Watch the video for more.