For Good trailer is finally here, but there's still one huge mystery about the film left unsolved - who is playing Dorothy?

"When I saw the rumour, I thought this is absolutely crazy and it went so crazy on ... I am such a big fan of Jon Chu's work and Ariana Grande and Cynthia, but that would be pretty cool." ...

Fans have been anticipating Cynthia Erivo and Ariana Grande's take on the song, written and composed by Stephen Schwartz, since casting was announced, and if this is any indication, it will be ...