Kate Winslet wore a black strapless gown with a small train.
Leonardo DiCaprio was handsome in his black tuxedo.
Rachel McAdams' glamorous green gown had a thigh-high slit.
Reese Witherspoon was in a purple strapless gown with a fishtail train.
Cate Blanchett wore a mint green gown with flower appliques.
The Weekend was dapper in his tuxedo.
Emily Blunt wore a simple pink dress that covered her baby bump.
Kerry Washington wore a dress with a black leather top and a white skirt.
Lady Gaga wore a white strapless top with a pair of white pants and a sweeping train draped around her waist.
Kevin Hart and Eniko Parrish were striking in their matching black outfits on the red carpet.
25. Tina Fey was glamorous in a purple strapless gown.
Charlize Theron was stunning in her red gown with a plunging neckline and spaghetti straps.
Jennifer Garner wore a gorgeous black dress with an a-symmetrical neckline and simple diamond jewelry.
Chrissy Teigen wore a beautiful Marchesa red sequin flowered dress that showed off her baby bump and John Legend was handsome in his tux.
Matt Damon was classic in a black tux and his wife Luciano Barroso sizzled in her red dress.
Julianne Moore was glamorous in a black gown with a plunging neckline.
23. Sylvester and Jennifer Stallone rocked the red carpet.
Margot Robbie glittered in a gold dress.
Brie Larson wore a blue Gucci gown with a flowered belt.
Rooney Mara wore a white beaded dress with a daring cut-out in the middle.
15. Olivia Munn wore a bright orange one-shoulder dress by Stella McCartney with Forevermark Diamonds.
Heidi Klum wore a flowing purple dress with her hair swept up.
Isla Fisher wore a white dress with grey and white flowers.
Jennifer Jason Leigh wore a pink strapless dress with pink flowers.
Naomi Watts sizzled in a strapless dress.
Saoirse Ronan wore a gorgeous beaded gown with a daring back.
Priyanka Chopra wore a beaded and lace dress.
Olivia Wilde wore a daring white Valentino gown with a super sexy neckline.
Eddie Redmayne and his wife Hannah Redmayne were a glamorous couple.
Daisy Ridley was gorgeous in a silver sequin gown.
Sofia Vergara was ultra-glamorous in a black Marchesa gown and Lorraine Schwartz jewelry.
Alicia Vikander was stunning in a yellow dress with silver sequin.
Whoopi Goldberg was old school glamorous in a black off-the-shoulder-gown.
Kelly Ripa wore a black beaded gown.
Mindy Kaling wore an off-the-shoulder blue and black gown with a sweeping cape and a sophisticated updo.
Sam Smith was dashing in his black tuxedo.
The Notebook star Gena Rowland was glamorous in her black gown.
Giuliana Ranic wore a sleeveless white gown and her hair in an updo.
Chloe Pirrie wore a beautiful blue and gold Karla Otto London dress.
Model Dorith Mous wore a black ball gown with a sheer lace top.
Director Phyllis Nagy wore a simple black and white outfit.
Robin Roberts was glamorous in a silver beaded sleeveless gown.
Maria Menounos wore a silver beaded Christian Siriano gown and Lorraine Schwartz jewelry.
Ryan Seacrest was dapper in a grey and black tuxedo jacket and black pants.