Rachel McAdams would sing in a musical version of 'Mean Girls'.

The blonde actress - famous for her role as bullying popular girl Regina George in the 2004 film, which also starred troubled Lindsay Lohan - says "everybody" could get involved, although she doesn't think her character can actually sing.

The 'Morning Glory' star, 32, exclusively told BANG Showbiz: "Sure. Yeah, why not? But I don't think my character - if I played Regina again - something tells me that she probably wasn't a good singer. "

When asked whether Miley Cyrus would be a suitable choice to star in a musical production of the comedy she said: "Yeah sure, everybody, let's get everybody involved!"

Speaking at the UK premiere of 'Morning Glory' at the Empire cinema in London's Leicester Square last night (11.01.11), she added that she was a lot younger when she played Regina so she hoped she had come a long way since then.

She told BANG Showbiz: "It was a long time ago so I hope so."

In 'Morning Glory' Rachel worked alongside acting heavyweights Diane Keaton and Harrison Ford - and revealed she would also like to work with Joan Cusack.

She said: "There's so many people I would love to work with. I love Joan Cusack actually. She's one of my favourites."