The first “Wicked” film is faithful to Act 1 of the musical, all the way down to the soundtrack. No songs were cut, and with the exception of one song “expansion” — as composer Stephen Schwartz puts it — the tracks are true to the original Broadway cast recording.

So when the pair shows up for a cameo in part one of director Jon M. Chu's Wicked film adaptation, now in theaters, it obviously makes for a pretty exciting surprise. While Menzel and Chenoweth played a part in Wicked's expansive publicity campaign,