Dior celebrates youth and whimsy at Paris Haute Couture show - Pamela Anderson, Elizabeth Debicki and Jenna Ortega were among the A-listers sitting front row.

Ariana Grande looked like a whimsical ballerina as she wore a fishnet tutu-inspired dress by Dior Couture to the Critics' Choice Awards red carpet on February 7. See her Oz-coded look, here.