Jason Kelce might need to make another public apology.
The constantly outspoken former NFL star has regularly placed his foot in his mouth in past months.
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With the Kelce brothers more famous than ever -- Travis recently appeared on stage with girlfriend Taylor Swift at Wembley Stadium -- every word that they say on their New Heights podcast is dissected and analyzed.
Fans love the Kelce Bros for their no-holds barred honesty.
But Jason recently was forced to apologize for completely getting Wales wrong, and he might have angered a lot of United Kingdom residents with recent fiery comments about the place of royalty in the modern world.
"I’m out on honoring kings,” Jason said on a recent episode. “We’re Americans. We don’t do royalty.”
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Those are fighting words to many around the globe.
But that wasn't even the lowest blow from Travis' older brother, who made headlines during the NFL playoffs for going shirtless in freezing temperatures and chugging beers with American football fans.
"F*** kings," Jason added. "But I wouldn’t mind (my wife) Kylie (Kelce) kneeling at my feet.”
Potentially aware of a big backlash that could be coming, Travis attempted to reign his brother in.
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"Not f*** kings," Travis said. "Just not into it."
Fans immediately recognized the irony of the Kelce brothers debating the pros and cons of royalty, then Travis appearing in a smiling selfie with Prince William and Swift after a sold out concert at Wembley in London, just miles from Buckingham Palace.
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"Oh Jason knew Taylor got that call from William's PR team," one fan tweeted.
"Omg poor trav," a second fan posted.
"I'm guessing he knew that was in the plan for this weekend," a third fan wrote.
"His life flashed before his eyes," a fourth fan said.
While Jason poked fun at the royals and hundreds of years of tradition in a very American way, he definitely got it wrong when it comes to Wales.
Jason previously called the Welsh "rich, upper-class people."
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Discussing Louis Rees-Zammit and the attempt by the former Wales rugby star to make the Kansas City Chiefs' roster, Jason literally had no idea what he was talking about.
"When I think of Welsh, I think British people call it 'posh,' " Jason said. "I think of these rich, upper class, just beautiful white people.
"He (Rees-Zammit) is the running stereotype of what I would think of with a Welsh person. I don't know if that's an accurate stereotype but that's certainly what I think of and he's helping continue that trend in my mind."
It was the opposite of accurate and Jason soon learned the error of his ways.
"Yea, I’ve come to understand, I was very incorrect on this," he said.
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"Based on further assessment since these incorrect statements, not sure why I had these preconceptions in my mind, but I have found that the Welsh seem exactly like my kind of people. Happy to be incredibly wrong."
There's a chance that Jason will again be forced to bow the knee and show some respect to kings -- and queens.