Over 1,500 eager fans turned up in the chilly evening for the world premiere in London.
The crowd weren't disappointed either.
As well as the S Club stars, showbiz pals S Club Juniors, Emma Bunton, Gareth Gates and Will Young all came along for the flick.
Gareth even has a small part in the film, so he was happy to join S Club on their 20-minute walkabout to say hello to everyone.
The film is set in Spain and follows the team's adventures as they try and stop an evil doctor's popstar-cloning plans.