NFL star Travis Kelce was spotted partying at the XS nightclub in Las Vegas on Saturday, April 27, seemingly celebrating the success of the 15 and the Mahomies charity auction, where he and his girlfriend, pop sensation Taylor Swift, helped raise $80,000 by auctioning off tickets to Swift's highly anticipated Eras Tour. TikTok footage captured Kelce, 34, grooving and singing along in the DJ booth as Kygo played a remix of his song "Higher Love."

Sporting a rainbow knit sweater, the Kansas City Chiefs tight end took the mic and encouraged the partygoers to "Make some noise for Kygo" before starting a "Hey!" chant. While Kelce appeared to be solo at the club, he had a very special plus-one earlier that night at the 15 and the Mahomies Vegas Golf Classic: Swift, 34.

The couple stepped out at the auction benefiting Patrick Mahomes' nonprofit, with Swift stunning in an olive Maria Lucia Hohan gown and a gold chainmail choker necklace, while Kelce opted for a blue suit. In the middle of the event, Swift decided to add an auction item to the roster, prompting Kelce to address the crowd.

"All right, all right, all right now! I think I was just talking to my significant other," Kelce said during the gala. "We might have one other auction item that wasn't on the docket. Has anyone heard of the Eras Tour? There might be a fun game where there are four tickets to the Miami, New Orleans or Indianapolis dates when the Eras Tour comes back to the United States. Does that fire anybody up?"

The bidding war ensued, with Kelce running through the ballroom until the final offer of $80,000 was made. Auctioneer Harry Santa-Olalla later confirmed the impressive sum on his Instagram Stories.

Kelce and Swift have been dating since summer 2023, after a missed connection at her Eras Tour that July. The couple's bond seems to be growing stronger, with Swift even borrowing Kelce's signature phrase, "full throttle," for one of her songs on her new album, "The Tortured Poets Department."

On the track "So High School," Swift sings, "Truth, dare, spin bottles / You know how to ball, I know Aristotle / Brand new, full throttle / Touch me while your bros play Grand Theft Auto." Kelce has used the term "full throttle" multiple times in past interviews, including during a September 2023 appearance on Kristin Cavallari's podcast, where he stated that you have to be ready to go "full throttle" when you start dating somebody.

The Vegas weekend also included a double date with Patrick and Brittany Mahomes at Easy's Cocktail Lounge inside the Aria Resort & Casino, as reported by TMZ. Despite their busy schedules, Swift and Kelce have been globetrotting together, visiting destinations such as Singapore, Sydney, Carmel-by-the-Sea, and Coachella Valley.

With Swift set to return to her Eras Tour next month in Paris, the couple seems to be making the most of their time together. An anonymous source told Us Weekly that Swift is "sad" about leaving her significant other to resume touring, but Kelce appears to be dedicating as much time as possible to his busy girlfriend, including their recent Vegas getaway.