While the group are discussing whether or not to fire their manager, a subtle reference to the Spice Girls is made ("we could manage ourselves", "do loads of solo projects that no one will buy", "you could marry a footballer Rach", "and have loads of babies with really silly names"). S Club's manager, Simon Fuller, previously managed the Spice Girls before being fired.
Jo O'Meara was suffering from back problems at the time resulting in her doing less physical activities (walking out of the prison while everyone else runs out, not appearing in the shower scenes, sitting on the sidelines while the group is rehearsing, etc.).
All of the celebrity clones came from lookalike agencies in the UK, apart from Gareth Gates who played himself (he is the only celebrity clone to have any proper lines).
Apart from "Never Had a Dream Come True" and "Don't Stop Moving", all the songs featured in the movie came from S Club's final album 'Seeing Double'.
The code names the band give themselves are as follows: Bird Dog (Jon), Hedge Pig (Hannah), Big Pants (Bradley), Tough Sirloin (Jo; previously Essex Terrier), Mr Black (Tina) and The Shopper (Rachel).