Mad Men stars January Jones and Christina Hendricks both chose red gowns in two very different styles.
Take a look at our full gallery of the red carpet style here.
Jones went for a typically stylish frock in a strapless, voluminous-skirted Prabal Gurung number which had an asymmetrical hemline - showing off her black strappy heels to perfection.
Hendricks went for a more classic look in a Marchesa red satin one-shouldered gown which featured gold embellishments at the waist and a fishtail skirt.
Homeland actress Claire Danes also impressed in a scarlet Givenchy lace gown which boasted a stunning sheer back.
Kayley Cuoco went for a playful red and pink Monique Lhullier strapless dress which featured a fitted bodice, peplum and layered chiffon skirt.
Julia Louis-Dreyfus looked glamourous in a halterneck Carolina Herrera gown which had a belt at the waist.
Modern Family's Sarah Hyland went for a youthful look in a white crop top which she paired with a flowing, floor-length coral skirt.
Girls star Lena Dunham contrasted her newly platinum locks with a Giambattista Valli gown which featured a baby pink and red ombré-effect chiffon skirt and a button-up shirt.
Meanwhile, New Girl star Zooey Deschanel also went for pink - this time in a fuchsia Oscar De La Renta strapless gown.
Scandal's Kerry Washington was another fashion highlight in an orange and black sequinned strapless Prada number.
Game of Thrones star Natalie Dormer also opted for orange - this time in a figure-hugging two-tone orange and black gown with a fishtail skirt.
Shades of cream and nude were also popular on the red carpet, and one of our favourite looks was Camila Alves' mosaic style Zuhair Murad gown.
Orange Is The New Black star Taylor Schilling also looked flawless in a sequinned cream Zuhair Murad dress.
Girls star Allison Williams looked striking in Giambattista Valli Couture dress which featured an unusual bow neckline and yellow sash waist.
Lizzy Caplan was unstoppably chic in a halterneck Donna Karan Atelier dress with a daring cut-out back.
True Detective star Michelle Monaghan also impressed in a long-sleeved white dress with a thigh-high slit.