Lupita Nyong'o
In Ralph Lauren at the Golden Globes.
Emma Stone
In Valentino at the Venice Film Festival.
Kate Hudson
In Atelier Versace at the Academy Awards.
Jessica Chastain
In Elie Saab Couture at the Cannes Film Festival.
Blake Lively
In Gucci at the Cannes Film Festival.
Taylor Swift
In Gucci at the Grammys.
Rihanna
In Adam Selman at the CFDA Fashion Awards.
Lupita Nyong'o
In Prada at the Oscars.
Jennifer Lopez
In Versace at the MTV Video Music Awards.
Charlize Theron
In Dior during Paris Haute Couture Fashion Week.
Rosie Huntington-Whiteley
In Gucci Première at the Cannes Film Festival.
Emma Stone
In Thakoon at the Met Gala
Hayden Panettiere
In Lorena Sarbu at the Emmy Awards.
Blake Lively
In Gucci at the Met Gala.
Sofia Vergara
In Roberto Cavalli at the Emmy Awards
Kate Hudson
In Gucci Première at LACMA Art + Film Gala.
Kim Kardashian
In Celia Kritharioti at Elton John's Oscar party.
Lizzy Caplan
In Donna Karan Atelier at the Emmy Awards.
Olivia Wilde
In Gucci at the Golden Globes.
Angelina Jolie
BONUS: Obviously not a gown (it's a Saint Laurent tux) but certainly one of 2014 most memorable red carpet looks.