This singer looks unassuming in her old high school yearbook photo, but she has gone on to become one of the most dynamic performers in popular music. She got her start back in the mid '80s and has achieved global success both as a solo artist and with her longtime bandmates.

Her band, influenced by ska, new wave, rock and pop, broke through in the '90s, selling millions of albums and winning multiple Grammy Awards. Though she exudes the attitude of a wild child, in recent years she settled down, married another rocker and had two children with him. Click to find out the identity of this mystery artist.