Frances Tiafoe never considered himself to be a Swiftie. But after the world's No. 18-ranked tennis pro met Taylor Swift at a Kansas City Chief's game at Arrowhead Stadium last November - where the singer was cheering on her boyfriend KC tight end Travis Kelce - he came away super impressed,

I’m like, 'Okay, just try to act like you've been here before,'" Tiafoe recounted. Of course, Swift was there watching her boyfriend, Travis Kelce, play for the Chiefs. Tiafoe was just there for a good time.

Frances Tiafoe talks about his memorable encounter with Taylor Swift at a Chiefs game, calling her humble and cool.