Suntanning with the stars!

After wrapping up the sixteenth season of "Dancing with the Stars," pro Val Chmerkovskiy and his brother Maksim high-tailed it to Sin City to show off their fit physiques.

The two dancers went shirtless at AZURE Luxury Pool at The Palazzo Las Vegas over the holiday weekend, flaunting their ridiculous washboard abs with a group of friends.

While Val finished #2 this past season with partner Zendaya, is he #1 in hotness when compared with his older brother?

Vote for the hotter brother below -- and see more celeb beach bods in the gallery above!

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