Swift was seated with Donna Kelce at Arrowhead Stadium in a chilly Kansas City on Saturday (Jan. 13).
"She's going to support her dude," said the sports TV personality.
The couple have been dating since July.
"You guys know the easy answer," joked the tight end.
The event will be held at Wynn Las Vegas' XS Nightclub.
The football star, who was spotted kissing Taylor Swift that night, discussed his big day on the latest episode of his podcast.
Swift's arrival at the game Sunday afternoon (Dec. 31) in Kansas City was filmed by local fans and media.
"But now, she's just part of Chiefs Kingdom," the quarterback said in an interview.
"Just shows you how amazing that girl is," the tight end said of his superstar girlfriend on his podcast.
"Taylor is so nice," said the former NFL player of the pop star.
