Katy Perry and Jeremy Scott led a star-studded red carpet for the Hollywood premiere of a fashion documentary. 'Jeremy Scott- The People's Designer' gives a behind the scenes glimpse at Jeremy's fashionable jet set career with a bunch of famous faces along for the ride. <br /> Rita Ora who appears in the doc couldn't be missed on the red carpet wearing a sexy red leather Moschino outfit. <br /> Lily Collins went for a darker look matching her brunette hair to a dark lip. She added some flare with a printed dress and finished off her look with some simple black pumps. <br /> Vanessa Hudgens kept it young and fun in a frilled min dress. She added a gothic 90's twist with a chocker and a sweet up do. <br /> Dita Von Teese stayed true to her classically beautiful style. She hugged her curves in a fitted polka dot dress and added extra glam with a red lip. <br /> Tinashe showed some cleavage and gave k
