Premiere destination The London West Hollywood launched its 11,000 square foot Penthouse Inspired by Vivienne Westwood with Will Peltz, Joe Jonas and more in attendance. Celebrating the special occasion, Peltz and Jonas went casual in Westwood designs. While Peltz sported a herringbone jacquard jumper, rock ‘n’ roll jeans and bag trainers, Jonas embraced black with a nylon squiggle jacquard jumper from Vivienne Westwood’s fall-winter 2015 menswear collection.