Black or red? Why not both! The actress incorporates both colors into a sparkling design at the 2012 Women of Worth Awards in NYC.
She picks a nude rubberized leather design for The Hollywood Reporter's 2013 Annual Women In Entertainment Breakfast.
At Marie Claire's Power Women Lunch in NYC, the Girls actress opts for a Calvin Klein Collection bright orange coat over an all-white ensemble.
Class act! She's all elegance in a high-necked Christian Dior gown at the Elton John AIDS Foundation's An Enduring Vision Benefit in 2013.
One word: Ahhh. The Girls star dazzles in a custom Ralph Lauren ball gown at the 2013 Emmys.
Polka dots and florals? Why not! She mixes both into a feminine Oscar de la Renta frock for the 2013 BAFTA Los Angeles TV Tea.
She goes glam in a sheer topped Valentino mini at the 2013 MTV VMAs.
Ow ow! Allison flashes some skin in a punk-rock Altuzarra gown at the 2013 Met Gala.
Take note: This is how you rock a mini dress! She stuns in a fitted number at the 2012 BAFTA Los Angeles TV Tea in 2012.
Whew! the actress is breathtaking in a steel Kaufmanfrano dress at the 2013 Grammys.
In a word: Flawless. Ms. Williams is pretty and poised in a bleted black lace design at the Phil Spector premiere in NYC.
At the 2013 Golden Globes, she picks a striking J. Mendel design with a plunging neckline.
Green goddess! Allison steals the show at the 2012 Emmys in a stunning Oscar de la Renta design.