Patti Smith invited Johnny Depp to join her onstage in London for the 50th anniversary of her debut album, Horses.
Smith has a history of collaborations with famous friends, including Bruce Springsteen and Bono.
She chose perhaps the worst person to play with her: Johnny Depp.
Smith introduced Depp as "The original Johnny" during her encore.
Author's summary: Patti Smith invites Johnny Depp to perform onstage.