The five-piece, Geri Halliwell, Emma Bunton, Melanie Chisholm, Brown and Victoria Beckham, reunited for the show in London where they rode into the Olympic Stadium on traditional black taxis and sang a medley of their hits 'Wannabe' and 'Spice Up Your Life', reported Daily Express.
"We didn't get paid for the Olympics - we funded it ourselves, costumes and everything. It just goes to show how much we do get on and do like each other," Brown said.
The band had steal the show at the closing ceremony of the sporting extravaganza in August this year.