Oscar Red Carpet: Who Wore What

Hollywood's A-List stars descended on the red carpet for the 87th Academy Awards held in Los Angeles on February 22.

Reese Witherspoon, nominated for Best Actress in a Leading Role, looked fantastic in an off-the-shoulder Tom Ford.

Gone Girl star Rosamund Pike, nominated for Best Actress in a leading role, was stunning in red.

The Imitation Game star Keira Knightley, nominated for Best Supporting Actress, baby bumped her way to the red carpet in champagne pink Valentino.

Birdman star Emma Stone perched atop the red carpet in lime Elie Saab.

Lupita Nyong'o was the belle of the ball in custom Calvin Klein embellished with pearls.

The Theory of Everything star Felicity Jones was ravishing in a silver halter Alexander McQueen gown featuring an embellished bodice and full satin skirt.

Julianne Moore, who won Best Actress, put her best fashion foot forward in Chanel couture.

Jessica Chastain looked fabulous in midnight blue and black sequined Givenchy.

It was a baby pink Ralph & Russo outfit, worn with a giant flower, for actress Gwyneth Paltrow.

Cate Blanchett was elegant in black Maison Margiela.

Marion Cotillard, nominated for Best Actress, was a vision in white Christian Dior Couture.

Birdman actress Naomi Watts upped her game in an Armani Prive cut-out gown.

Jennifer Lopez looked stunning in a plunging embellished Ellie Saab blush gown.

Cake actress Jennifer Aniston wowed in shimmery nude Versace.

Nicole Kidman chose pale green Louis Vuitton.

Best Supporting Actress Patricia Arquette wore a one shoulder black and white gown by Rosetta Getty.

New mother Scarlett Johansson showed off her curves to perfection in emerald green Versace.

Dakota Johnson set hearts aflutter in red Saint Laurent.

Meryl Streep rocked the chic look in a Lanvin skirt and blazer.

Best Supporting Actress nominee Laura Dern chose embellished black and silver Alberta Ferretti.

Boyhood actress Lorelai Linklater showed off some leg in Gabriela Cadena.

Into the Woods star Anna Kendrick opted for a coral Thakoon halter gown.

American Idol star Jennifer Hudson, who was a presenter at the Oscars, added a dash of sunshine to the red carpet in strapless yellow Romona Keveza.

The recently-engaged Lady Gaga lived up to her reputation for bizzare in voluminous white Azzedine Alaia.

Oprah Winfrey, who produced Best Picture nominee and Best Original Song winner Selma, looked queenly in a Vera Wang Collection gown.

Kerry Washington nailed it in a strapless peplum gown by Miu Miu.

Sienna Miller wowed in a black and navy Oscar de la Renta gown.

Solange Knowles paraded on the red carpet in crimson red Christian Siriano.

Rita Ora looked regal in a midnight blue Marchesa gown.

Kelly Osbourne opted for a Rita Vinieris outfit.

Gina Rodriguez hit the red carpet in sleeveless blue.