Guess the Sexy Stud in His Skivvies!

The warmer weather’s rolling in, and people are practically shedding their clothes -- case in point, this stud. He’s stripping down to his boxers to flaunt those jaw-dropping, fitness-honed abs that are just too good to keep hidden -- so any guesses on who this whole lotta hunkalicious muscle is? One hint ..

. he once was involved with the "Circus." Loving the near-naked gym inspo? Well, we’ve got a whole gallery of other celebs in their undies if you want to feast your eyes on more!.