After a few weeks of speculation online that maybe Taylor Swift and Travis Kelce had quietly broken up, the duo slammed the door shut on those notions on Sunday during Swift’s Eras Tour concert in London. Kelce made an appearance on stage in full gentlemanly get-up, even sporting a top hat in the process. Check it out below. Kelve’s appearance was more than just a token cameo, too. He was involved in the actual performance. During a transition in Swift’s song ‘I Can Do It With a Broken Heart,’ Kelce helped carry Swift to a red couch that was on stage. As Swift leaned back and feigned being in …