He’s here! Nate Berkus and Jeremiah Brent welcomed son Oskar via surrogate on Monday, March 26.

The Nate & Jeremiah By Design stars — who already have a daughter, Poppy, 3 — announced the happy news on social media on Wednesday, March 28.

“It is with so much love that we welcome Oskar Brent-Berkus to our family,” Berkus, 46, captioned a sweet black-and-white pic of the newborn’s tiny foot on Twitter. “We have waited for you, we already love you, and we as a family stand on the shoulders of so many people who have made it possible for families like ours to continue to grow.- Nate, @JeremiahBrent and Poppy.”

It is with so much love that we welcome Oskar Brent-Berkus to our family. We have waited for you, we already love you, and we as a family stand on the shoulders of so many people who have made it possible for families like ours to continue to grow.- Nate, @JeremiahBrent and Poppy pic.twitter.com/Y52Qw7A3vI

— Nate Berkus (@NateBerkus) March 28, 2018

“Yesterday, life cracked open in a way I didn’t think it could again with the birth of our son Oskar Brent-Berkus,” Brent, 33, captioned the same pic on Instagram. “Love multiplied. How can love continue to expand like this. Hand in hand our family is basking in the phenomenon of it all. We love you little Oskar. How thankful we are. How beautiful it all is.”

The couple announced they were expecting a second child in February, sharing a photo of Poppy yelling, “We’re having a baby brother!”

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“Well, the cat is out of the bag…and we couldn’t be happier,” Berkus captioned the sweet clip.

The interior designers, who costar in their own hit TLC series, began dating in early 2012 and wed at the New York Public Library in May 2014. They welcomed Poppy via surrogate in March 2015.

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