Adam Levine turns 36 this week, and we're celebrating in the most appropriate was we know how: with his hottest music videos. The lead singer of Maroon 5 has been showing off his moves like Jagger since before he sang the song. Levine has never shied away from taking off his clothes or getting frisky with a costar in his music videos, and there are a few in particular that come to mind as being the sexiest. (Plus one very sweet one. [1]) If you need a little reminder of how much swagger this rockstar has [2], just start pressing play.