Victoria Beckham
The Spice Girls' look: Plenty of zest
The Spice Girls' look: Plenty of zest

In the run-up to the London Olympics' closing ceremonies, rumors have swirled that the Spice Girls, Britain's quintessential girls pop group, will reunite for a special performance.If they do — and promoters have been cagey about it, with no firm confirmations or denials as of press time — it may seem hard to believe that 18 years have passed since they came on the scene and, with anthems such as "Wannabe," went on to become the No. 1 selling girl group in music history. But one thing is certain: though their "brand" was strong, Sporty, Scary, Baby, Ginger and Posh have all moved gracefully through time, modernizing and updating their looks instead of making the all too common mistake of...