64. Sir Mix-A-Lot, "Baby Got Back"
"[At the time] you had these Spuds MacKenzie girls, little skinny chicks looking like stop signs, with big hair and skinny bodies," recalled Sir Mix-A-Lot. "I did it as a knee-jerk response to that kind of stuff." The Seattle rapper-producer's slinky electro beat and hilarious video made for pop's greatest positive-body-image jam.