Kansas City Chiefs and Philadelphia Eagles -- Famous Football Fanatics!

Reppin' their Chiefs and Eagles team spirit with pride, these super famous fans are hoping their respective teams pull a big Super Bowl W, but may the best team win!

Diplo couldn't have been prouder to be an Eagles fan, posted up on the sidelines with a pack of hot Philly cheerleaders -- while Sarah Michelle Gellar must be following Taylor Swift's lead 'cuz she rocked an "In My Chiefs Era" hoodie!

And speaking of T-Swift, the superstar posed with her fellow WAG, Brittany Mahomes ... and check out "Selling Sunset" star Chelsea Lazkani slaying a KC crop top ... $OLD!

Philly native Kevin Hart repped his hometown with his son and wife, and comedian Grace O'Malley showed off her Eagles swag in a cheeky TikTok vid with podcaster Alex Cooper.

Hit up our two galleries above to see all the famous fans rootin' for their teams ... let the game begin!

And if there's one thing these rivalry fans can agree on, it's the Super Bowl Halftime Show! Go back in time with our through-the-years gallery and reminisce about the most iconic halftime shows in Super Bowl history!