When WrestleMania went Hollywood, a bevy of celebrities followed. Included in the WWE Universe that night were:

Sylvester Stallone

Stallone may have taken on Hulk Hogan in Rocky III, but at WrestleMania 21 the film legend was a member of the WWE Universe.

David Arquette

The former WCW World Heavyweight Champion was in attendance for WrestleMania 21.

Motörhead

The legendary heavy metal band ushered The Game into battle on The Grandest Stage of Them All.

Adam Sandler

Funnyman and box office king Adam Sandler and WWE Superstar Big Show go way back, and Sandler was on hand for all the excitement that WrestleMania 21 had to offer.

The Black Eyed Peas

The super group has sold over 65 million records worldwide. They’re also members of the WWE Universe.

Billy Corgan

The Smashing Pumpkins lead singer is an avid fan of sports entertainment.

Ice Cube

The rapper and actor was on hand for the spectacle that is WrestleMania.

Carmen Electra

The bombshell star made an impression with the WWE Universe at WrestleMania 21.

Anthony Kiedis

Red Hot Chili Peppers front man Kiediswas in attendance when WrestleMania went Hollywood.

Matt Groening

The Simpsons creator was on hand for The Show of Shows.