This country star has one of the nicest smiles in Nashville, but he's holding back in this picture from his high school yearbook. The Georgia native graduated in the mid-'90s and attended college before trying his hand at country music full-time. He broke through in 2006, and fans have appreciated the way he "shakes it" ever since.

These days, this star's hair is a little taller, and he usually keeps a little stubble across his chin. Now a married father of two, the mystery man is watching his career take off. Can you guess who this is? Click the button below to find out if you're right and to see more country stars' yearbook photos.