The 21st Annual Critics' Choice Awards were held at the Barker Hangar, California on January 17, and a lot celebs impressed us with their sartorial sense as they walked the rep carpet looking absolutely glamorous.

Here's taking a look at pictures from the star-studded event.

Jennifer Aniston shows off her well-toned legs in this Saint Laurent dress as she walks the red carpet with hubby Justin Theroux.

Kirsten Dunst dazzles in her ruffled cream gown embellished with sequins and sparkles.

Rachel McAdams looks drop dead gorgeous in this red sexy sequin floor-length gown by Elie Saab.

Mayim Bialik, who is seen in the Big Bang Theory, makes a fashion statement in her green gown.

Amy Schumer keeps it simple and chic in a white Calvin Klein halter-neck white gown.

Superstore actress America Ferrera goes all back for the event.

Rectify star Abigail Spencer arrives looking elegant in a J Mendel gown.

Model-turned-actress Rosie Huntington-Whiteley wows in her thigh-high slit black gown with plunging neckline.

Beauty in blue: Saoirse Ronan.

Sharon Stone goes the glittery way...literally!