MAROON 5 and “2013’s Sexiest Man Alive” ADAM LEVINE: Getting Some Play at Mandalay Bay New Years Eve

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Adam Levin, 34, certainly took no shorts in slacking on his pen-pin in reppin’ his being penned 2013’s Sexiest man alive before the year turned 2014 last night.

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The “She Will Be Loved” frontman was looking quite dapper while he partied at the Mandalay Bay in Las Vegas along with his bandmates and their Boo’s.

Adam and his fiancé (Behati Prinsloo, 24), his bandmate: James Valentine and his girlfriend (Ali Tamposi), Instagrammed a photo of the dapper double pair smooching it up for the New Year.

According to sources, the couples arrived just after 1 a.m and stayed about one hour while sipping on Vodka and Dom Perignon.

Don’t you just love Adam’s hat!?

We do! LoL.

From the looks of that hat + that shirt + his facial expression divided by that hand gesture, we know that Adam came, he saw, he kissed and did what he always does that earned his title: Kicked ass.

Adam just had a way of making that cheesy (everything): from the pose, to the clothes, to that Rhinestone Cowboy hat– look Marlboro Man sexy! Real men CAN wear pink! Tell’em Adam!

Eye Spied at EOnline via Rebecca Macatte