Seeing Double may have some appeal for pre-teen girls, since it stars S Club, now down to six members since their heyday as S Club 7. In terms of tone, imagine a bone-headed tribute to Spiceworld ...

When the members of S Club complain about how tough it is to stay on top, they find themselves replaced by lookalikes... or are they?

This double ... s a club you can’t buy your way into,” says Katie Barry, 32, of New York City, who has been coming to Twins Days with her twin sister Kristy every year since they were 7.