Swift then publicly linked up with Brittany for the first time a week later when she attended dinner with her and pals Sophie Turner and Blake Lively. The next day, all of them, including Ryan Reynolds, Hugh Jackman and more celebs, cheered as the Chiefs won against the New York Jets 23-30 at MetLife Stadium in New Jersey. while out at dinner before the show and at the after-party at Catch Steak in New York City.

At the post-show bash, a source told PEOPLE of the couple, “Taylor and Travis were there all night and they were so smiley, they were so happy.” The insider also shared thatof the pair laughing and dancing as they cheered on the Chiefs. Swift, who was there to support The Grammy winner wore a red Chiefs T-shirt to the game to support Kelce, the Chiefs’ tight end, amid their newfound relationship.

The Chiefs’ matchup against the Chargers is the fourth game Swift has attended since she was first seen cheering him on