Mel B had a solo career.
Mel B . Brown began her solo career when she released `` I Want You Back '' with Missy Elliott on Virgin Records . In mid-2012 , Brown announced a return to her solo recording career with the release of her third studio album by signing with EMI Music Australia . During this time she became the female co-host for Dancing with the Stars Australia , in which she hosted the twelfth season alongside Daniel MacPherson . In February that year , she officially signed on to become one of the four judges for the variety talent show America 's Got Talent , replacing Sharon Osbourne from the eighth season onwards . The X Factor is a British television music competition to find new singing talent .