Critics' Choice Awards 2015: Julianne Moore, Angelina Jolie and Other Celebs Sizzle on Red Carpet [PHOTOS]

For the Critics' Choice Awards 2015, the biggest stars of Hollywood sizzled in Los Angeles, California on Thursday night.

Many celebs, including Angelina Jolie, Michael Keaton, Julianne Moore, Reese Witherspoon, Michelle Monaghan, Jake Gyllenhaal, Keira Knightley, Marion Cotillard, Diana Kruger, Rosamund Pike, Felicity Jones, Emily Blunt, Jessica Chastain, Jenny Slate and Jennifer Aniston attended the 20th Annual Critics' Choice Movie Awards in one of their best looks.

Moore, who won the best actress award for her performance in "Still Alice", wore a long-sleeved black gown with a lace panel on the front, showing off her cleavage.

While the "Unbroken" actress Jolie draped an open-backed silver satin dress, Aniston looked different compared to her usual black outfits. The "Cake" actress was seen wearing a low-neck Gucci tuxedo teamed with Christian Louboutin ruby heels.

Knightley, who was a nominee for the best supporting actress for the film "The Imitation Game", wore a grey Delpozo gown with golden sequined flowers along with Aurelie Biderman jewels.

Blunt, who won the award for Best Actress in an Action Movie for her performance in the film "Edge of Tomorrow" looked gorgeous in a beaded red Emilio Pucci outfit. A Jimmy Choo clutch and Lorraine Schwartz jewels complimented her looks.

"A Most Violent Year" actress Chastain, a nominee for best supporting actress, wore an Antonio Berardi dress with Piaget diamonds and Charlotte Olympia shoes.

Kruger looked cute in her strapless Naeem Khan blue and white floral gown, and had Repossi accessories and Wakaley clutch.

While "Gone Girl" actress Pike wore a high collar white frock with a lace skirt, Two Days, "One Night" actress Cotillard too went for a dove-hued gown by Dior haute Couture.

"The Theory of Everything" actress Jones exposed her skin a little bit and looked gorgeous through her Dolce & Gabbana black gown.

Monaghan looked glamourous in her Elli Saab black gown with lace panels. She also carried a Max Mara clutch and completed her look with Norman Silverman earrings and Jimmy Choo heels.