Johnny Depp caused a near riot as he joined rock legend Alice Cooper at the bash celebrating Dark Shadows' release for a joint performance of No More Mr. Nice Guy, which you can watch a snippet of in the player above.
If that weren't enough, Aerosmith guitarist Joe Perry also hit the stage to perform a few classics with the pair followed soonafter by Aerosmith frontman Steven Tyler to sing The Beatles' Come Together and Led Zeppelin's Whole Lotta Love.
Opening Friday, May 11, Dark Shadows re-teams Johnny Depp with director Tim Burton in a story that begins in 1752. Having relocated from Liverpool to Collinsport, Maine, Barnabas Collins grows up to be a rich and powerful playboy, the master of Collinwood Manor. But when he breaks the heart of Angelique Bouchard (Eva Green), the witch turns him into a vampire and buries him alive. Alice Cooper has a cameo in the film.