Travis Kelce is “comfortable” being in the global spotlight. The 34-year-old Kansas City Chiefs tight end started making worldwide headlines after his girlfriend Taylor Swift, 34, made their relationship public by turning up in September to support him at one of his NFL games, and he’s now said he is coping well with his newfound level if fame – thanks to home videos he shot as a child. He told Extra as he talked about gearing up to host Prime Video’s ‘Are You Smarter Than a Celebrity?’ show: “I think it was all the home videos my mom used to have with the old camcorder, the handheld joint, at…