The Spice Girls really need no introduction. Bursting onto the scene in 1996 with their hit single "Wannabe", the girls became as well known for their crazy hair and beauty looks as they were for their music. It's been 16 years of colour, curls and questionable choices — from Baby Spice Emma Bunton's cute blunt bob, to Geri's cascading curls and, of course, the Pob. There were ringlets, sexy up 'dos, coloured eyeshadows and so much more — and after seeing the girls reunited on Tuesday night at the Viva Forever! musical press event, we couldn't help but notice how far they've all come. Click through the gallery to see how Geri, Mel B, Mel C, Victoria and Emma have changed over the years!