Broadway's original Elphaba and Glinda have reunited to sing their famous duet, "For Good" for the first time in 12 years. A video of the new performance was produced for Wicked's "Out of Oz: Wicked Studio Sessions" YouTube series. It debuted at the Second Stage Theatre gala honoring Wicked producer David Stone last Monday. Kristin and Idina haven't performed together since ending their run in the musical after the 2004 Tony Awards. Watch the new rendition of their iconic performance now!