The British pop girl group formed in 1994 and consist of Brown, Mel C, Victoria Beckham, Geri Halliwell and Emma Bunton.
"We were just five crazy ladies on a mission. I love the fact that I can still have that passion and drive in different things I do today. I still have the backing of all of them today. It's nice. We're like one big, happy family," Mel B said.
And like any family, the "America's Got Talent" judge said the "Wannabe" crooners have not always seen eye-to-eye on every issue.
"We're like sisters. We get on one minute. We scream, fight and argue. Then we have a cup of tea together and tell each other how much we love each other.