Sequin Queen
She dazzled on the 2018 Writers Guild Awards red carpet in a black sequin jumpsuit.
Lady in Red
The actress took home her first Emmy Award in this winning red off-the-shoulder Oscar de la Renta gown.
Not-So-Mellow Yellow
The star arrived in a yellow Prada gown and went home with a Golden Globe.
Everything's Coming Up Tulips
The actress made a colorful splash on the carpet at the 2018 amfAR Gala in New York with this standout Carolina Herrera gown.
Dressed in Dior
The star put her most fashionable foot forward at the brand's spring-summer 2019 show in Paris.
Sheer Sensation
For her first time at the SAG Awards in 2015, the first-time nominee stuck to classic black with a sheer twist.
Red Carpet Regal
The star was ready for the red carpet in this colorful sheath.
Tied With a Bow
Brosnahan channelled old Hollywood glamour in Erdem at the 2019 BAFTAs.
Shimmering Star
The actress shimmered on the Tonight Show star in a sequin champagne skirt and matching top.
Dolled Up in Dior
Brosnahan dressed to impress in a Christian Dior Haute Couture strapless dress embellished with bows at the bust and accented with complimentary bow earrings.

