Tim McGraw loves his mama, and he's not ashamed to show it in public!

The country superstar turned to Instagram on Saturday (March 10) to share a sweet throwback picture of himself and his mother, Betty. He doesn't identify when it was taken, but the sepia tone photo dates back to the days when McGraw sported a long, flowing mullet and topped it off with a cowboy hat. He's also sporting a mustache and a big grin as he puts his arm around his beaming mom.

"Happy 70th birthday to the coolest woman I ever knew for a long, long time," McGraw writes to accompany the picture. "And she is still that cool. Happy birthday mom!"

Watch Faith Hill Sing "Happy Birthday" to Tim McGraw

McGraw didn't grow up in the easiest of circumstances. He was raised believing that his step-father, Horace Smith, was his father, and only when he was 11 did he discover that his biological father was baseball star Tug McGraw. The two men were able to forge a strong bond before the elder McGraw died.

Praising his mother in public is nothing new for McGraw. He has often talked of her strong influence on his life, and in 2016 he turned to social media to praise not only his mom, but his wife Faith Hill on Mother's Day, sharing how the influence of such strong women has helped to shape not only his daughters, but himself.

"I've always been surrounded by strong, thoughtful and compassionate women. In my childhood, and now in my own home with my own family. So to all of my sisters, my mom, and my beautiful wife… all the mothers in my life, a big thank you and happy Mother's Day !!Y'all make this world we live in rock!" he wrote.

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