The Chiefs became the first team to retain the Super Bowl since the New England Patriots in 2005 on Sunday, yet only after snatching victory over the Niners in the final three seconds of overtime.
After winning the coin toss and choosing to take the ball first, San Francisco knew they would prevail by preventing Kansas City from scoring on their own drive.
However, right at the death Mahomes found Hardman Jnr for the touchdown pass which crowned the Chiefs champions once again.
And the Chiefs honored the 14-time Grammy Award winner as the DJ used some of her earliest hits to round off the evening at XS Nightclub at Wynn Las Vegas.
One of Swift’s famous songs from the Fearless album, provided a romantic soundtrack for her and Kelce’s celebratory smooch.
The couple were seen sharing a kiss at the victory party while her hit ‘Love Story’ played in the background.