United Kingdom, Dec. 30 -- Alice Cooper has a "perfect marriage".

The 77-year-old rocker - whose real name is Vincent Furnier - began dating Sheryl Goddard when she performed on stage with him in the late 1970s, and almost 50 years after they married, the dancer is still part of his live shows and the couple wouldn't have it any other way.

Alice - who has three children with Sheryl - told Classic Rock magazine: "That's so much part of our show, so much of our sense of humour, and Sheryl is showbiz all the way.

"She started with the Joffrey Ballet and was Goldie Hawn's stunt double back in the day, so she can't wait to get on the road.

"She's as much of a road rat as I am.

"We sit together putting our make-up on before the show in the...