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According to Marvin, behind the scenes footage will shed different light on the band
Marvin Humes has spoken about JLS' upcoming film, out on June 3 in selected cinemas.
"We have seen it and it looks absolutely incredible and obviously it's in 3D part movie, part documentary" said the singer in an interview.
"Without using the usual cliches there's stuff in this film that people will have never seen about us before, I genuinely mean that and I think people are going to be very shocked when they see it.
You will see a different side to us, it's very fly on the wall"