The 42-year-old stars in the new movie based on the Broadway musical of the same name, which is set during the 80s glam metal era.
She plays the role of a conservative Patricia Whitmore who tries to close down a rock bar, reported Contactmusic.
"It's just a movie that lends itself to having a blast. It's larger than life and we got to sing all these 80s songs. I had a lot of fun with my character because she's like the odd one out in a way and I got to play the baddie. She's a nightmare of a woman; absolutely horrible," she said.
The actress, who raises two kids Dylan, 11 and Carys, nine, with husband Michael Douglas, said she is delighted to be back at work after a short break.
"I do enjoy working, I love the camaraderie of being on a set. I love being in the theatre. I just love what I do. I'm happy with the type of roles that are coming my way."
