From 24/7 News Source: (Los Angeles, CA) -- Hollywood Vampires included a few special guests in their show in Southern California over the weekend. The Alice Cooper, Joe Perry and Johnny Depp-led band performed at Los Angeles' Greek Theatre on Saturday night. Steven Tyler came out to sing Aerosmith's The Train Kept A-Rollin, and Marilyn Manson took the stage for Alice Cooper's hit, I'm Eighteen. Hollywood Vampires just kicked off their seven-date U.S. tour in Las Vegas on Friday. The trek wraps in Indio, California on the 18th.