This early '70s yearbook photo is from one of country music's all-time greatest female vocalists. One could make a strong argument that her music and career is as important as those of legends like Dolly Parton, Loretta Lynn and Patsy Cline. This singer is still very active today and still making new fans in members of the younger generation.

Can you guess whose yearbook photo this is? She recently had a pilot picked up by ABC, meaning her focus will once again be on acting instead of singing for a few years. However, she never leaves her true fans freezing for new music for very long. Click the orange button below to find out whose famous smile this is, and to see more yearbook photos from country music's biggest stars.