Photo:meghan trainor/Instagram

meghan trainor

meghan trainor/Instagram

Meghan TrainorandDaryl Sabaraofficially have a family of four!

“On July 1st (our 7 year anniversary of our first date) we welcomed Barry Bruce Trainor into the world 🐻💙,” Trainor captioned the post.

“He was a big boy at 8lbs 7oz…and sideways (transverse), but we had an amazing, successful c-section, and I finally got my skin to skin time! Thank you to all of the incredible doctors and nurses who took such great care of us ❤️.”

meghan trainor

Mandy Moorealso wrote a sweet message to the family: “Go Mama!! And welcome to the party, Barry!! What a lucky dude!! ❤️❤️❤️❤️.”

meghan trainor

The new arrival joins the couple’s sonRiley, 2, whom Sabara recently told PEOPLE is excited to be a big brother.

He’s “so ready to have a permanent friend,” he shared in June.

meghan trainor

Sabara also shared that Trainor — who experiencedgestational diabetesin her first pregnancy — was “doing really well” and didn’t get the same condition this time around.

meghan trainor

“She is a trooper,” said the actor. “The amount of things that she does pregnant, and just in general, I mean she’s a superwoman. I just am in awe of her.”

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Daryl Sabara Instagram

Meghan Trainor and Daryl Sabara and their son Riley

Speaking with PEOPLE in April, Trainor said she and Sabaracan’t wait for Riley to have a sibling.

“I look at my husband and go, ‘We are so lucky,'” said Trainor. “I’m the best version of me. Each kid’s going to bring a new version of me that I think is going to be badass — so I need four, at least!”

source: people.com