What Happens in Vegas? Lots and if you've seen the latest Cameron Diaz movie, of the same name, you have probably seen a few dresses, shoes and/or purses that are must haves! In the movie What Happens in Vegas, Cameron Diaz wears a great casual short dress during the scenes when they win big and her pink mini dress is a knock out too! Plus we have info on Lake Bell's clothes from the movie and as always you can post on the site and have other folks helps you look for that must have piece of movie wardrobe to add to your closet. So head on over to your favorite place to find and buy clothes from the movie ISawItIn.com and visit our section on the clothes from What Happens in Vegas.