Take a fascinating look at world-famous pop singers the Spice Girls, from their 1994 inception to their astonishing trajectory, which led them to be ranked the U.K.'s most successful all-female group in history. Candid footage reveals little-known details behind the girls' meteoric rise, as well as their interpersonal dynamics, including an alleged long-standing rift between Geri Halliwell, aka "Ginger Spice," and Mel B., aka "Scary Spice."