Country superstar Tim McGraw is looking mighty fine!

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The singer, who turned 48 today, May 1, gave hotel guests at Hotel del Coronado quite the show when he went for a shirtless run on Wednesday.

TMZ revealed the hot photos today and despite McGraw working up quite the sweat, he looked incredibly attractive.

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Later that night he gave what was supposed to a secret, but turned out not being a not-so-secret performance on the beach since word spread on social media as the stage got set up right on the beachfront property of the hotel.

McGraw credits his fit body to healthy eating and working out constantly.

He told New York Daily News on Tuesday that he loves kale salad.

He joked his lifestyle is "almost anti-country singers" given his eating habits.

"One of my favorite things is a kale salad (with) all kinds of things in it: walnuts, pumpkin seeds, Parmesan cheese, olive oil, lemon," he shared.

He also likes to add spicy peppers to meals to give his metabolism a boost.

His exercise routine is grueling, but totally pays off given how good he looks.

He runs, lifts weights and is a big fan of CrossFit. He's constantly mixing up his fitness routine.

"You gotta trick your body," he dished.

He's also a supporter of "America's Diabetes Challenge: Get to Your Goals," which Merck and the American Diabetes Association are behind. He doesn't have diabetes, but knows many friends and family who do.

Tags: Tim McGraw