leaping out of the VIP suite and downing beers with fans when Travis scored a touchdown.

Appearing on the TODAY show on Monday, Kylie said of the relationship that has infatuated America: ‘Ultimately, if Trav is happy we’re happyWe are always cheering on Uncle Trav, it’s such a treat to be able to do that on and off the field, but it’s been amazing.’

Kylie has three daughters with Travis' older brother, the former Eagles player Jason Kelce

As for Jason’s antics on that night, Kylie said: ‘He was like “my shirt was going to come off” and I was like “do we need to do that?” and then it did.’Jason and Kylie have three daughters together – Bennie, 1, Elliotte, 3, and Wyatt, 4 – who are Travis’ nieces.

Jason retired from football in March and wept at a lengthy press conference as the curtain came down on his 13-year career with the Philadelphia Eagles.

Travis was in the audience in Philadelphia that day and cried too as his older brother made the announcement.

Since then, Travis has been on vacation in the Caribbean with Swift as the couple enjoy some downtime between her Eras Tour dates and his football commitments.