December 23, 2013 06:00 PM

Update: The couple have named their son Kaius Jagger Berman and will call him Kai, Zoe announced on her website. “Rodger, Skyler and I are madly in love and will be happily hibernating for the next couple of weeks. Thank you for all of your kind words, as they mean so much to us,” she writes.

Originally posted Dec. 22: It’s a second son for Rachel Zoe!

The celebrity stylist turned designer and her husband Rodger Berman welcomed another boy on Sunday, Dec. 22, she announced via Twitter.

“So excited to welcome our baby boy into the world … he’s 7 lbs., 12 oz., beautiful, healthy and we couldn’t be happier,” Zoe, 42, writes.

Courtesy Rachel Zoe

After weeks of speculation that she was expecting, Zoe confirmed the pregnancy in September. Since then, she and Berman have been preparing big brother Skyler Morrison, 2½, for his latest role — one that, up until recently, he was still unsure about.

“It depends what day you ask him. Right now he just doesn’t want anyone near Mommy except him, so I don’t know when that should change,” she told PEOPLE this fall.

But shortly before baby’s birth, Zoe — who went bump to bump with Gwen Stefani in October — admitted her plan was to let love conquer all.

“I’m madly in love with [Skyler]. I don’t know if it works out the same way with the next one, [but] I just plan to fall in love all over again,” she told PEOPLE.

— Anya Leon

Related Video: Rachel Zoe Gives Birth to Her Second Child

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