Around 400 women who answered the advertisement attended auditions at Danceworks Studios in Mayfair, London.
Halliwell, Chisholm, Beckham and Brown were originally chosen as the members of the group, and then formed a quintet with Emma Bunton.
After signing with the independent label Amber Café, she released her second solo album L. State of Mind, which spawned the release of one single "Today".
Brown released "For Once in My Life" in 2013, her first single in eight years. In 2007, she participated on the fifth season of the American dance competition series Dancing with the Stars, finishing in second place with her professional partner Maksim Chmerkovskiy.
"I Want You Back" charted at number 1 on the UK Singles Chart, and also had success around the globe.
Her father is from the Caribbean island nation of Saint Kitts and Nevis; her mother is English.
"Viva Forever", another number one, was the last single before Geri Halliwell's departure from the group in May 1998.
Before the split of the Spice Girls, Brown went on to release music with Virgin Records, the label she was signed to when a member of the Spice Girls.
Their debut album, Spice, was a huge worldwide commercial success, peaked at number one in more than 17 countries, The first single, "Wannabe", reached number one in 37 countries and all the following singles – "Say You'll Be There", "2 Become 1", "Who Do You Think You Are" and "Mama" – also peaked at number one in United Kingdom.
In 1997, they released their second album, Spiceworld, and their first two singles "Spice Up Your Life" and "Too Much", entered the UK Albums Chart at number one, making seven consecutive number one hit singles, an all-time record for a musical group.