Maynard ••• party of 4! // Happy Birthday Jax! 7lbs 3oz of cuteness beyond cuteness • So in love? 01•15•15 @ 0616 hrs

A photo posted by ? renée oteri maynard ? (@floridaray18) on Jan 18, 2015 at 9:00pm PST

Hello Jax! Renee Oteri is introducing her adorable newborn son Jax Bracy to the world, sharing a super-cute photo of herself and the tiny tot via Instagram.

"Maynard party of 4!" the proud mom captioned the snap of her and husband Bracy Maynard's newborn baby snuggling up with his mom moments after birth. "Happy Birthday Jax! 7lbs 3oz of cuteness beyond cuteness. So in love 01.15.15 @ 0616hrs," she added.

Little Jax is the second child in the Maynard family. Oteri alread has one son Ben, 9, from a previous relationship. And shortly after Jax's arrival, the former series 18 Bachelor contestant told Us Weekly that her firstborn was loving being a big brother already.

"Ben is the proudest older brother and Bracy is in love — we're all so happy,” Oteri told Us on Friday, Jan. 16, the day after she gave birth. “It was such a long labor, but Bracy nailed it! I also had a girlfriend who is a doula and she was a rock star! She got us all playing Heads Up during the early labor to kill time,” the now mom of two added.

Despite a long labor being fresh in her mind, Oteri is already planning the next addition to her family.

“I really want 3!” she told Us. “It would be so much fun to have a girl next, but I'd be just as happy with three boys."

Oteri and Maynard tied the knot in March 2014, just three weeks after Us revealed the couple were engaged.