All I Want For Christmas Is You
This image appears in the gallery:Adam Levine: The Sexiest Man Alive!
There's a reason America has fallen in love with The Voice US judge... and his smile may just be it!
See the full gallery: Adam Levine: The Sexiest Man Alive!
See more Maroon 5 Music
See more Maroon 5 News
See more Maroon 5 Videos
See more Maroon 5 Pictures