Rueters reports the Spice Girls opened their reunion tour in Dublin on Friday to a stadium full of screaming fans. The British pop group that rocketed to fame with their hit single ?Wannabe? in 1996, announced their reunion tour last year. Melanie Brown, Geri Horner, Melanie Chisholm, and Emma Bunton will play 13 shows over the next few weeks, in cities around Britain.