Spice Girls performs during the Closing Ceremony on Day 16 of the London 2012 Olympic Games at Olympic Stadium on August 12, 2012 in London, England

 LONDON, ENGLAND - AUGUST 12: Emma Bunton and Victoria Beckham of the Spice Girls performs during the Closing Ceremony on Day 16 of the London 2012 Olympic Games at Olympic Stadium on August 12, 2012 in London, England.

It's been 16 years since the Spice Girls released their smash hit single "Wannabe" and became a global pop culture phenomenon. Now the best-selling female group of all time, they reunited to perform at the Closing Ceremony of the London 2012 Olympics