Nikki Blonsky has fuelled speculation there will be a follow-up to hit movie musical Hairspray, confirming that she and co-star Zac Efron would love to star in a sequel.

The actress was an unknown, working in an ice-cream store, when she landed the part of Tracy Turnblad in the hit 2007 musical movie, based on the Broadway production of the show.

Efron played pin-up Link Larkin, Turnblad's love interest, in the film.

Blonsky says, "Zac has said he'd love to do it again, and I know Brittany Snow is down for sure.

"I don't know about Amanda (Bynes). I hope she will. I want to put on my Tracy Turnblad wig again and dance my little heart out."