The U.K. film, which also stars comedienne Katy Brand, will be titled Holiday! and will be shot on location in Britain and Italy.
Holiday! comes from the team behind the successful StreetDance franchise, according to The Hollywood Reporter.
Lewis has been giving updates from the set in Italy via her Twitter.com page, sharing pictures with fans and writing, "Feeling very lucky to be part of a project in which every1 (sic) is so passionate & supportive of one another. I'm loving the experience... So excited for you guys to see this, such great moments being captured. Lucky to work with amazingly talented ppl (people)."
Holiday! is due for release next summer (14).