Blink-182 drummer Travis Barker and model and reality star Kourtney Kardashian are Instagram official. Maybe rock stars dating models is a cliche. But only because it happens so often. Some of those romances are passionate and short-lived, while others are enduring and all-encompassing. David Bowie said it best when he said: 'You would think that a rock star being married to a supermodel would be one of the greatest things in the world. It is.'