Johnny Depp made a surprise cameo appearance at Alice Cooper's concert this weekend, where they performed a classic Ozzy Osbourne Black Sabbath song.

Johnny Depp playing with Alice Cooper and his band in London on Friday. Getty Images© Getty Images Ozzy Osbourne, seen here performing at his last concert earlier this month, died on Tuesday.

Johnny Depp made a surprise appearance during an Alice Cooper show, and the two performed a classic Black Sabbath song in honor of Ozzy Osbourne.