Kate Upton is back on a film set...and back in a bathing suit. The 22-year-old Sports Illustrated Swimsuit Edition cover and Victoria's Secret model and actress was recently spotted wearing a cleavage-baring, aqua one-piece swimsuit while standing near a pool, getting ready to film a scene for the new movie The Layover in Vancouver. Upton also sported a floppy straw hat, sunglasses and white sandals. The Layover, the actress' fourth feature film, is described as a road trip sex comedy. The movie is about a pair of BFFs who set off on a trip to Florida and end up on a layover when their flight gets diverted, during which hijinks ensue! "She is so much fun,"...