Taylor Swift and Travis Kelce embrace at the Super Bowl after party at the Wynn Hotel in Las Vegas.
Kelce's Kansas City Chief won the trophy 25-22 in overtime after the contest went down to the wire.
The pair caused a stir on social media when they were spotted apparently singing along to Swift's hit song "Love Story" on the dance floor.
Swift spent the afternoon in an A-list suite at Allegiant Stadium and brought her famous friends, including Ice Spice, along to the after party.
Thousands packed Las Vegas to watch the Kansas City Chiefs and the San Francisco 49ers battle at this year's Super Bowl.
All eyes were, however, on Taylor Swift as she cheered her boyfriend Travis Kelce.
She was flanked by her celebrity friends Blake Lively, Ice Spice and Lana Del Ray.
The teams tied and were forced into overtime for the second time in the sport's history.
Chiefs' quarterback Patrick Mahomes led his team, winning 25 to 22.
This is what unfolded once he scored touchdown.
Taylor Swift celebrates with her celebrity friends Miles Teller, Lana Del Rey, Ice Spice and Blake Lively after her boyfriend's team took home the win.
They are definitely very happy with the results.
The arguably most popular couple in the world, Travis Kelce and Taylor Swift, kiss to celebrate.
Chiefs cheerleaders take a much-needed break after cheering the team through the game.
The star-studded pair shared some words after the game.
Chiefs offensive tackle Wanya Morris makes confetti angels as the team celebrates.
Travis Kelce is all smiles as he celebrates on the field.
Taylor Swift watches on as confetti erupts throughout the stadium.
49ers cornerback Darrell Luter Jr leaves the field after the loss.
An aerial view of the stadium shows just how much the crowd and teams were celebrating.
Chiefs quarterback Patrick Mahomes claims the trophy after his game-winning score.
Chiefs head coach Andy Reid is splashed with ice after a long and nail-biting game.
The Chiefs celebrate together after winning this year's Super Bowl.
Singer Usher performs on the field during the Apple Music Super Bowl LVIII Halftime Show at Allegiant Stadium on in Las Vegas.
Usher was backed by a huge cast of performers.
Singer Taylor Swift and ctress Blake Lively embrace in the second quarter of Super Bowl LVIII between the San Francisco 49ers and Kansas City Chiefs at Allegiant Stadium in Las Vegas, Nevada.
Fans, celebrities, performers and players are all converging on Allegiant Stadium in Las Vegas to watch Super Bowl LVIII play out between the San Francisco 49ers and the Kansas City Chiefs - and here's what the photographers have managed to capture of the biggest sporting day on the US calendar.
Fans watch the game from a pool on top of the Circa Resort and Casino in Las Vegas.
(Left to right) NFL player Russell Wilson, Hailey Bieber, singer Ciara, singer Justin Bieber, and celebrity Kendall Jenner look on.