The 38-year-old rapper recently welcomed his third child, son Hugo, with his wife, Tricia Davis.
Davis shared the news Tuesday on Instagram alongside a photo of herself with her baby boy.
"Six weeks ago in the shadow of the Buck Moon this beautiful human came into our lives. He arrived rooted and calm, mostly just observing the two whirling dervishes around him... Welcome home Hugo," she captioned the post. "May you crush the distorted masculine and awaken the divine."
Macklemore replied with a heart emoji in the comments.
Macklemore and Davis married in June 2015 and have two other children, daughters Sloane Ava, 6, and Colette Koala, 3.
Macklemore paid tribute to Davis on Mother's Day in May.
"I love you with everything @baba_g. You raise our kids with grace, humility, patience, curiosity and humor. You're sweet yet firm. Your imagination is child like. You listen, teach and somehow remain balanced through it all," Macklemore wrote on Instagram.
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"You are a hero to all 3 of us. And we just be having hella fun," he said. "Happy mother's day my love. Thank you for choosing us."
Macklemore released his second solo album, Gemini, in 2017. He is known for the singles "These Days" with Rudimental, Jess Glynne and Dan Caplen, "Glorious" featuring Skylar Grey and "Good Old Days" featuring Kesha.
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