Victoria Beckham's 50th birthday party brought the flavor to Mayfair, London ... 'cause all five of the Spice Girls reunited for the milestone birthday bash!
Mel B, Melanie C, Emma Bunton and Geri Halliwell all pulled off for the stylish party to celebrate their longtime pal ... and, check out the pics. They're dressed to impress.
Of course, Posh herself was there though it seemed she shied away from the camera a bit .