Michael Phelps and family cuddle third son after birth. See the adorable photos

Sonja Haller, USA TODAY
Michael and Nicole Phelps welcome their third son, Maverick Nicolas, on Sept. 9.

Olympic swimmer Michael Phelps and wife Nicole let the world know they are a family of five and have a "house full of boys" by announcing the birth of their third son with a precious family photo.

The couple shared the news Wednesday in Instagram posts. Maverick Nicolas Phelps was born Sept. 9 at 36 weeks, weighing 6 pounds, 5 ounces and measuring 20 inches long.

Phelps and Nicole, 34, share Beckett Richard, 18 months, and Boomer Robert, 3, who join in the photo. Boomer shared a bonus photo on his own Instagram.

"Family of 5! Welcome @mavericknphelps to the world! Born 9-9-19," Phelps captioned the photo in the hospital. "Mama and baby are healthy and the boys are pumped to be big bros! #housefullofboys."

Nicole, a former Miss California USA, shared the same image on her Instagram

"He instantly has stolen all of our hearts and keeps me an ecstatic mommy of boys 💙💙💙 I can’t wait to walk this journey surrounded by my men. #familyof5," she wrote.

Boomer shared a photo of his mom and himself holding baby Maverick with a big smile on his face.

"Big brother x 2!! I’m so excited to have my new baby bro!!" the post reads. "Welcome @mavericknphelps to the world! #luckyme #bigbrother"

The couple announced the pregnancy in April, showing a sweet photo of their sons in a toy jeep that had balloons spelling out the word "baby" along the front bumper. 

READ MORE

This article originally appeared on USA TODAY: Michael Phelps, wife Nicole welcome new baby boy: 'House full of boys'