AceShowbiz - Travis Kelce's boyish grin and apparent blush raised eyebrows as Taylor Swift belted out the engagement-themed lyrics of "Love Story" during her London "Eras Tour" performance on Friday, June 21. Fans noticed his enthusiastic response, stirring excitement about the possibility of a future proposal.

In a viral video, Kelce, the Kansas City Chiefs tight end, could be seen dancing to his girlfriend's hit song and smiling broadly as Swift sang, "He knelt to the ground and pulled out a ring/ And said, 'Marry me, Juliet/ You'll never have to be alone.'"

Despite Kelce's silence on his engagement plans, sources close to the couple have hinted at discussions surrounding their first anniversary in July. They have also been spotted attending various events together, including the Cannes Lions International Festival of Creativity and Taylor Swift's previous shows.

Swift and Kelce have been publicly supporting each other since their relationship was revealed last September. She has attended numerous NFL games while he has flown across the globe to watch her concerts. Despite some initial backlash, Swift has emphasized that they are comfortable sharing their love publicly, stating, "We're just proud of each other."

In a recent interview, Kelce expressed his fondness for cooking with Swift, revealing that she makes excellent Pop-Tarts and cinnamon rolls.

Meanwhile, Travis' brother, Jason Kelce, and his wife, Kylie Kelce, were spotted enjoying the gig in London, adding to the speculation about a potential Kelce family reunion at one of Swift's shows.