Ariana Grande is already flying high at the Oscars ... and also showed off a dramatic skirt on her deep green custom Louis Vuitton gown. Julia Fox’s stylist helps VF interpret the naked fashion ...

Ariana Grande and Cynthia Erivo ... At the premiere in Los Angeles, Ms. Grande wore a pink Thom Browne gingham dress, while Ms. Erivo donned a green vinyl Louis Vuitton number.

Ariana Grande poses ... Of her dress, Erivo said, “I always wanted a big dress for the Oscars if I made it here. And here we are in this wonderful, giant big green dress. And I feel amazing ...