The 45-year-old singer announced he and wife Karly were expecting in March.
Chris Kirkpatrick is a dad!
The *NSYNC singer welcomed his first child with wife Karly on Tuesday, a baby boy named Nash Dylan Kirkpatrick.
"So proud of @MagicKar! She is the real Wonder Woman!" Chris tweeted alongside the first picture of his baby boy. "Welcome our new edition Nash Dylan Kirkpatrick!!!!"
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Chris and Karly revealed they were expecting in March, and in May, announced they were having a baby boy. The couple has since documented their pregnancy on social media, with Karly tweeting a picture of her bare belly last Wednesday.
"Alright little guy we are ready for you!!! Any day now!!! #BabyNash #letsgo #cantwaittoholdyou #soexcited @IamCKirkpatrick," she captioned the snap.
Kirkpatrick's bandmate Justin Timberlake joined the dad club two years ago, when he and Jessica Biel welcomed their son, Silas. See more in the video below.