Singer Ally Brooke is Transformed Into A Spice Girl! She & Sasha Dancing to Spice Girls' Iconic Hit Wannabe is So 90's Nostalgia! Ally's Outfit is Gave Her Mel B Vibes, The Dance Itself is Amazing & Totally Spicy! Spice Girls Will Be So Proud of the Performance.br br br br Taken from Season 28, Boy Band vs Girl Group Episode.