Travis Kelce joined his brother Jason Kelce for a trip across the pond to France -- this right after lighting it up in Nashville ... just proving that the dude's real busy in the off-season.
Despite their whirlwind schedule, the Kelce brothers looked relatively fresh while walking the streets in Cannes as they hit up the Cannes Lions International Festival of Creativity Thursday -- where they dished on their fame during a scheduled event ... more on that later.