The cream of the crop, as far as Ariana Grande's Glinda-inspired outfits go, has to be the sparkly Vivienne Westwood Couture gown she wore to the Sydney premiere of "Wicked" in early November 2024.

We love seeing celebrities donning the classic schoolgirl outfit. Clueless' Cher and Britney Spears, 32, first made the look famous, but new celebs like Ariana Grande, 21, and Taylor Swift, 24 ...