Travis Kelce shared a sweet video to celebrate his brother, Jason Kelce, on National Siblings Day.USA TODAY Sports via Reuters Con

“Had to wish my guy who loves made up holidays more than anyone a HAPPY NATIONAL SIBLINGS DAY!!” Travis captioned the TikTok video.traviskelce/Tiktok

Travis shared several clips of Jason playing sports as a child.traviskelce/Tiktok

Travis also shared several snapshots of Jason tossing around a football when he was just a tot, highlighting how football has always been a part of their close-knit bond.

The video also flashed forward to recent moments, including the brothers hugging on the NFL field after facing off against each other during the 2023 Super Bowl as well as when Jason ripped off his shirt while cheering for his younger bro at a game this January.

Taylor Swift fans flooded the comments section with emotional messages about the brotherly love.

They were also seen dressed up in costumes.traviskelce/Tiktok

He then flashed forward to the recent moment Jason wore a Batman mask on the football field.traviskelce/Tiktok

The brothers were seen swimming together in 1997.traviskelce/Tiktok

They have been extremely close since childhood.traviskelce/Tiktok

“Your relationship just makes me tear up every damn time,” one person wrote.

“Brb crying I love my siblings so much; it’s so cool to see siblings as best friend,” a second fan commented.

“who’s cutting onions!!!!” a third jokester asked.

The Kelces grew up as athletes together.traviskelce/Tiktok

Jason was also seen doing a silly dance when he was a tween.traviskelce/Tiktok

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Travis included footage from their more recent memories, too.traviskelce/Tiktok

“My mom heart is bursting THIS love is all we want in life for our children,” one supporter chimed in.

“This is absolutely the sweetest tribute to Jason. Well done, Trav,” a netizen gushed.

“The worlds favorite brothers,” another wrote, with one more adding, “The relationship you two share is so special.”

Swifties were overwhelmed by Travis’ cute tribute to his older brother.traviskelce/Tiktok

“My mom heart is bursting THIS love is all we want in life for our children,” a fan commented.traviskelce/Tiktok

“The best example of brotherhood we will ever see,” a second person wrote.traviskelce/Tiktok

Travis and Jason are extremely close and seem to have the best time hosting their “New Heights” podcast together.

Jason has been by Travis’ side throughout this past NFL season, cheering from the stands as the tight end made his way to his winning the 2024 Super Bowl.

The “Catching Kelce” alum’s girlfriend, Swift, also has been seen bonding with Jason since the couple publicized their relationship last September.

“This is absolutely the sweetest tribute to Jason. Well done, Trav,” one more fan commented.traviskelce/Tiktok

Travis became emotional when Jason announced his retirement from football in March.MLB Photos via Getty Images

Travis notably teared up when Jason announced his retirement from the NFL in March after 13 seasons.

Jason gave a shout-out to Travis, sharing at the emotional press conference, “There is no chance I would be here without the bond Travis and I share. It was really my brother and I our whole lives.”

He continued, “We did almost everything together — competed, fought, laughed, cried and learned from each other. We invented games, imagine ourselves as star players of that time.”

Jason has been seen bonding with Travis’ girlfriend, Taylor Swift, throughout the NFL season.AP

The brothers are the children of exes Donna and Ed Kelce.Donnakelce/Instagram

Travis subsequently expressed his emotions over his brother’s departure from the sport on their podcast through weepy eyes.

“It’s always been like I’ve had this flotation device right there,” he said as his voice quivered. “And to have you out of it, it feels empty. It definitely feels like it’s complete. It was a success.”

Travis and Jason are the children of Donna and Ed Kelce, who divorced after 25 years together but have both continued to support their sons at nearly every game.