If you’re feeling a chilly, let Justin Bieber turn up the heat in his hot new video for “All That Matters”.  The pop super star gets very cosy with his sexy 19-year-old model co-star Cailin Russo.  Justin gave all his bielibers a glimpse o f his chiseled chest while he serenades his leading lady and touching her in places that might get under the skin of his young female fans.  Check out the video below.