Chris Stapletonis a father of five!

The country singer-songwriter, 41, and his wife Morgane have welcomed their fifth child, she announced on Instagram Sunday.

“The most perfect Mother’s day… I wish all you Mama’s the happiest of days today!” she captioned her post.

The couple, who wed in 2007, are also parents to three sons (includingtwin boys they welcomed inApril 2018) and one daughter, but have chosen not to publicly reveal their names.

Their latest arrival was welcomed with well wishes from several famous pals, including actor Josh Brolin, who wrote, “❤️Happy Mama’s Day!!!!🙏.”

Morgane and Chris Stapleton in January.Andrew H. Walker/Shutterstock

60th Annual Grammy Awards, Arrivals, New York, USA - 28 Jan 2018

Just seven months after the spouseswelcomed their twin sons, Stapleton announced that he and his wifewere expecting their fifth childduring a November concert at Madison Square Garden in New York City.

“She’s the mother of my two kids, and she’s about to be the mother of two more,” he said of Morgane, 36.

Morgane — who waspregnant at the Grammys forthe second year in a row! — pulled the look together with sandals and a black clutch, wearing her blonde hair in loose waves. Stapleton kept it simple yet debonair in a black suit, black shoes and a cowboy hat.

Speaking exclusively to PEOPLE on the red carpet, the couple said they were due in the spring while Morgane admitted she’staking bathroom breaks “every 30 minutes, if I’m hydrated. It’s gonna be a lot tonight.”

Chris Stapleton and wife Morgane.Matt Baron/REX/Shutterstock

61st Annual Grammy Awards, Arrivals, Los Angeles, USA - 10 Feb 2019

Chris Stapleton.Michael Loccisano/Getty

The 52nd Annual CMA Awards - Show

Two months before the Grammys (where he was nominated in three categories), Stapleton won male vocalist of the year at the CMAs and used his time onstage to thank his growing family.

“I’m real proud of this award. I want to thank my kids who put up with me being gone quite a bit and not always being as good of a dad as I would always like to be,” the “Broken Halos” singer saidduring an emotional acceptance speech. “I love you so much … you share me with all these people and I appreciate it.”

“I want to thank my wife for always being my rock and taking care of me and helping me find the right thing to be and the right thing to do,” he added of Morgane, whom he kissed on his way up to the stage.

source: people.com