Taylor Swift 's mixing business and pleasure -- finally bringing Travis Kelce out onstage with her in London Sunday ...
and, we gotta say he nailed the choreography. The singer-songwriter took the stage in England's capital Sunday -- her third show this weekend -- and, her footballer boyfriend went from spectator to spectacle ..
. hitting the stage in a tuxedo and top hat. This all went down during "The Tortured Poets Department" part of her set .
.. as part of the intro for "I Can Do It With a Broken Heart" she pretended to throw a tantrum and collapse to the stage.
Of course ...
her better half had to come and rescue her -- picking her up and carrying her to a heart-shaped bed while jovial, upbeat music played. Check out the clip ..
. he drops her on the bed before fanning himself while the other two guys in tuxedos continue to care for T-Swift -- and Travis helps encourage her to get back at it with some of his silliest dance moves. Ultimately, Taylor decides to bravely continue .
.. and Travis gives her makeup a touchup before running offstage.
Of course, Travis has supported Taylor at every show this weekend ...
including Friday when he brought his big bro Jason and sister-in-law Kylie to watch and yesterday when he got chummy with movie star Tom Cruise . This, however, is the first time he's ever gotten involved in the show despite attending many of her concerts since they started dating ..
. and, if you listen to the applause -- fans absolutely loved it. Travis has to head .
