Ariana Grande and Cynthia Erivo made a dazzling arrival ... with Cynthia opting for a black number and Ariana wearing a yellow number. Ariana's character Glinda is known for wearing pretty pink ...

She didn't wear pink, the favoured colour of Glinda the Good. But Wicked star Grande evoked another Ozian colour – yellow (of the yellow brick road, of course) in Givenchy haute couture.