You're looking at one of the most famous country stars of all time. This legend started getting serious about country music after high school, but wouldn't find fame until after a stint in the Army and a few years of college. Do you think you know which star this is? 

The photo isn't as old as it looks. It's a senior portrait from 1970, but it'd be another decade before his career would really begin to take off. These days, you're not likely to find him without his signature cowboy hat on -- he's a traditionalist through and through. Click the button below to find out if your guess is right and to see more country yearbook photos.