Joe, Nick and Kevin Jonas Wish Younger Brother Frankie Happy Birthday: 'One of the Coolest People I Know'

Priyanka Chopra Jonas and Danielle Jonas also sent their own birthday wishes to the 'Claim to Fame' host

The Jonas Brothers are “burnin' up” with some love for younger brother Frankie Jonas.

Nick, Joe and Kevin Jonas each shared their own heartfelt post on Instagram wishing Frankie a happy 23rd birthday — complete with their own throwback snaps and sentimental tributes.

Nick, 31, shared an old photo of himself as a child laughing as he sat at a table alongside Frankie as a toddler. He wrote over the photo, “Happy birthday brother. I love you very much.”

Joe, 34, shared a photo of his youngest brother during what appeared to be the beginnings of the band's fame. The “Cake by the Ocean” singer, with shaggy hair and in an old tour ensemble, could be seen playing video games with a young Frankie as the pair focused on the screen.

“Happy birthday to one of the coolest people I know,” he wrote, tagging his brother. Frankie reshared the photo to his Instagram Story, responding, “I wouldn’t know how to be cool if I didn’t have you to look up to.”

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Related: Frankie Jonas Is TikTok's Favorite Jonas Brother — Here's What Nick Has to Say About It

Kevin, 35, shared a more recent photo of himself with his brother behind the scenes of their ABC reality show Claim to Fame, where they work side by side as hosts. The musician shot the camera a questioning look, while Frankie smiled brightly.

“Happy birthday to the man, the myth, the legend … @franklinjonas!” he captioned the post.

The bandmates’ wives also got in on the celebration, with Nick’s wife Priyanka Chopra Jonas wishing happy birthday to “our favorite uncle” on her Instagram Story and adding, “We love you! Have the best day ever!!!”

In response, Frankie wrote on his own Instagram Story, “Love you sis,” tacking on a crying emoji and a heart emoji.

Kevin’s wife Danielle Jonas shared an adorable photo of Frankie with the couple’s two daughters and Winnie the Pooh at a Disney Parks restaurant. “Happy birthday handsome!! We love you @franklinjonas," she wrote.

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Like his brothers, Frankie has musical inclinations. After posting a handful of songs on SoundCloud, Frankie released his debut single, “Cocaine,” in February, followed up with his second single, "Hoboken" in April.

That same month, Frankie made his live performance debut at Stagecoach Festival.

In June, Frankie released his debut EP, Sewer Rat, which featured his previous two singles and three new songs.

The Jonas Brothers even shared their support for Frankie on Instagram, writing, “Congrats @franklinjonas on your debut EP ‘Sewer Rat.' So proud of you for putting your art out into the world!”

Frankie thanked his brothers in the comments, writing, “Love y’all so much ❤️❤️❤️ thank you for inspiring me everyday."

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