It's happening! The Spice Girls reunited for their first public appearance since 2008 to announce thatViva Forever, a new musical based on the group's iconic hits, will premiere on London's West End this fall. (Fun fact: The five-piece pop phenomenon met up again at the St. Pancras Renaissance Hotel where their famed "Wannabe" video was shot in 1996.) Viva Forever starts previews at London's Picadilly Theatre on November 27th, and opens officially on December 11th. Now if that isn't an excuse to plan a trip to England, we don't know what is! And we're celebrating this milestone in Girl Power history by rounding up our 11 favorite Spice Girls moments—click through our gallery to see them all. Because your day could use a little spice, don't you think?