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Maksim Chmerkovskiy took to Instagram Thursday to share a photo of him holding his newborn son, along with a message about how fatherhood has treated him so far.

RELATED: Peta Murgatroyd shares an update on newborn son and teases that pictures are coming soon

“It’s been one week plus one day of my fatherhood and I’m the happiest person that’s ever lived,” the “Dancing with the Stars” pro wrote.

While many celebrities share photos of their children on social media right away, Chmerkovskiy and his fiancée, fellow DWTS pro Peta Murgatroyd, have decided to be a little more private for the time being.

“I’m also feeling very protective and now understand what every parent in history have been going through for as long as humans have been giving birth,” he continued. “I don’t let too many people come see my son and I don’t want to put any of him on social media just yet. @petamurgatroyd and I just want to enjoy our little family, together with our loved ones, and take in all the precious moments which we’ll never get back. So be sensitive please. Or not. Either way, hope everyone’s year is off to an incredible start. Ours sure started with a bang.”

RELATED: Oh boy! “DWTS” pros Maks Chmerkovskiy and Peta Murgatroyd just welcomed their first child

The new father then added, “P.S. Farts, poops and throw-ups are the best!”

Murgatroyd also shared a similar message on Instagram Thursday, thanking fans for their “well wishes for our little Shai.”

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