Kourtney Kardashian has finally confirmed her relationship with Blink 182 singer Travis Barker.MORE: Kourtney Kardashian wows with Rapunzel-inspired hair transformation following Valentine's DayThe couple first stoked speculation that they were an item in late January after they both posted pictures from Kris Jenner's Palm Springs pool.Then on Valentine's Day, they both shared a bunch of cryptic clues, including a poem from Kourtney which read: "Roses are red / Violets are blue / Garlic bread /