Travis Kelce's happiness comes from girlfriend Taylor Swift, his dad, Ed Kelce, told PEOPLE in an exclusive interview "There's no question about it," Ed — who is also father to son Jason Kelce — admitted The "Happiness" in Travis Kelce 's life comes from one specific source — according to his dad, Ed Kelce.

Here's everything that has gone down between the Grammy-winning pop star and the Kansas City Chiefs tight end.

Travis will get the chance to prove his dad right when the Chiefs open up the regular season on Sep. 5 against the Chargers in São Paulo, Brazil. More NFL on Sports Illustrated.