Critics' Choice Awards 2016
Jennifer Aniston attends the 21st Annual Critics' Choice Awards at Barker Hangar on 17 January  in Santa Monica, CaliforniaJason Merritt/Getty Images

Celebrities were in their best looks as they hit the red carpet of the 21st annual Critics' Choice Awards. The event was held at Barker Hangar in Santa Monica, California on 17 January.

Jennifer Aniston looked stunning in a Saint Laurent dress that featured a thigh-high split. The Friends star completed the look with Suzanne Kalan earrings and Jimmy Choo shoes.

Critics Choice Awards 2016
Jennifer Aniston at the 21st Annual Critics' Choice AwardsChristopher Polk/Getty Images for The Critics' Choice Awards

Rachel McAdams turned heads in a maroon floor-length Elie Saab gown with chain straps. The Notebook actress kept the look simple with delicate jewellery pieces.

Critics' Choice Awards 2016
Rachel McAdams in a maroon floor-length Elie Saab gownJason Merritt/Getty Images

Rosie Huntington-Whiteley looked gorgeous in a black Saint Laurent dress. The 28-year-old model and actress finished the look with Anita Ko earrings.

Critics' Choice Awards 2016
Rosie Huntington-Whiteley wore a Saint Laurent dress for the eventMARK RALSTON/AFP/Getty Images

Hayden Panettiere wore a peach Maria Lucia Hohan dress which featured a plunging neckline. The 26-year-old actress completed the look with Stuart Weitzman shoes and matching Monica Rich Kosann clutch.

Critics' Choice Awards 2016
Hayden Panettiere was spotted in a peach Maria Lucia Hohan dress with a plunging neckline at the 21st Annual Critics' Choice Awards Jason Merritt/Getty Images

Amy Schumer kept it simple and sweet with a white Calvin Klein dress. The 34-year-old actress, who received the Critics' Choice MVP Award for her work over the past year in film, television, and comedy, opted for Manolo Blahnik heels and a Barneys clutch.

Critics' Choice Awards 2016
Amy Schumer kept it sweet and simple on the red carpetMARK RALSTON/AFP/Getty Images

Kirsten Dunst was spotted in a Chanel Haute Couture dress at the event. The 33-year-old actress completed the look with peach Roger Vivier Couture shoes and a Salvatore Ferragamo clutch.

Critics' Choice Awards 2016
Kirsten Dunst won a Critics' Choice Award for FargoJason Merritt/Getty Images