topping off their already-impressive array of ensembles with a group costume that blew the top off of Bedrock and beyond: The Flintstones! Son Saint, 3½, and daughter North, 6, led the group as ...

The Monday Night Countdown star, 36, donned a Fred Flintstone costume and joined members of the Bills Mafia for a tailgate before the team's game against the New York Jets on Monday, Oct. 14.

In a video posted via X ahead of the Bills game against the New York Jets on Monday, October 14, Kelce, 36, could be seen donning a Fred Flintstone costume and a bright blue furry Bills hat while ...

In a video posted via X ahead of the Bills game against the New York Jets on Monday, October 14, Kelce, 36, could be seen donning a Fred Flintstone costume and a bright blue furry Bills hat while ...

He later changed into a button-down shirt and blazer. On Oct. 14, he embraced the Buffalo Bills Mafia and wore a Fred Flintstone costume over a blue suit with a matching fuzzy hat with horns.

Kelce, rocking a Fred Flintstone costume, didn’t just stand by and watch the fun -- he dove right in while taking a shot out of the iconic Pinto Ron bowling ball, a Buffalo tailgate staple.