'It was Mel C's wedding day. Couldn't Geri just avoid white for ONCE?': Inside newly married Sporty Spice's wardrobe clash with her 'diva' bandmate, as furious friends tell KATIE HIND about 'unforgiva

While Emma Bunton chose a pink checked trouser suit, and Mel B opted for a peach mini dress, Geri Halliwell had broken wedding etiquette completely by going for a white, floor-length outfit.