Australia's Got Talent judge Geri Halliwell used to be a part of what pop group?
Australia's Got Talent (season 8):  On 28 October 2015, it was announced that Halliwell, French, Timomatic and Sandilands have been replaced with a new panel of judges, they are Kelly Osbourne, Ian "Dicko" Dickson, Sophie Monk and Eddie Perfect. Geri Halliwell:  Halliwell came to international prominence in the 1990s as Ginger Spice, a member of the successful girl group the Spice Girls; together they sold over 85 million records worldwide, making them the best selling girl group of all time.
the Spice Girls