If anyone has proved that "age is just a number," it's Madonna. The 55-year-old singer more than kept up with 21-year-old Miley Cyrus during their "MTV Unplugged" performance on Wednesday (Jan. 29).
Wondering what Madonna actually looked like when she was closer to Miley's age? Before becoming an international pop star, she was a regular teenager. Here's Madonna's yearbook photo from her senior year of high-school, courtesy of Snakkle.
Madonna was a cheerleader in high school, which has undoubtedly inspired her high-energy performances.