The old Spice Girls rivalry that's REALLY driving Geri Halliwell: Sources tell ALISON BOSHOFF she wants a house bigger than Posh's and a knighthood for Christian to match Beckham's!

Geri Halliwell, one would think, has much to be thankful for. But according to one source who knows her well: 'She has all the money in the world but now what she wants is social acceptance.'