The Memorable Style from the 2011 Oscars Red Carpet: Look Back 10 Years Later

Lady in red! Anne Hathaway looked stunning in a strapless red Valentino gown. The actress was gearing up to host the show alongside James Franco.

Reese Witherspoon's black-and-white strapless Armani Privé gown paired with her high ponytail became an instantly iconic look.

Halle Berry has worn her fair share of show-stopping red carpet gowns through the years, and her 2011 Marchesa was no exception.

Sandra Bullock — who had taken home her own Academy Award in 2010 for The Blind Side — looked red hot in Vera Wang.

Nicole Kidman brought her husband Keith Urban along as her date, and wore a beaded Dior gown for the occasion. She was nominated for Best Actress for Rabbit Hole.

Scarlett Johansson wore a magenta Dolce & Gabbana number with an open back and lots of lace.

Gwyneth Paltrow dazzled in silver Calvin Klein Collection on the red carpet. She may look calm and collected, but the star admitted that the 2011 Oscars were responsible for "the most terrifying moment" of her life: Her performance of "Coming Home" from Country Strong, which was nominated for Best Original Song.

In 2011, Jennifer Hudson looked stunning in a bright orange Atelier Versace halter number. The Academy Award winner was there as a presenter.

All that glitters is...Mandy Moore's golden gown! The star sparkled on the red carpet in a Monique Lhuillier look fit for a princess. And good thing, because she was there to perform a song from the Disney movie Tangled, which was nominated for Best Original Song.

Nominated for Best Actress for her role in Winter's Bone, the then-newcomer Jennifer Lawrence looked like a seasoned pro in her sizzling Calvin Klein Collection column.

Helena Bonham Carter flashed some leg — and a Union Jack garter — on the red carpet.

Camila Alves and Matthew McConaughey made for one gorgeous couple on the 2011 Oscars red carpet. One year later, the pair would marry.

Best Actress nominee Michelle Williams wowed in an elegant beaded Chanel Haute Couture gown and cropped haircut.

Hilary Swank floated into the Oscars in an ombré feather and sequin Gucci number.

Javier Bardem and Penélope Cruz hit the red carpet for the first time since welcoming their son in January of that year.

Mila Kunis was a vision in lacy lavender Elie Saab. Her first Oscars, Kunis was there with the cast of Black Swan, which was nominated for Best Picture.

Justin Timberlake brought his mom, Lynn Harless, as his date. He was in attendance with the cast of The Social Network, which was up for Best Picture.

A pregnant Natalie Portman took home the Oscar for Best Actress for her performance in Black Swan in eggplant Rodarte.

Florence Welch looked ethereal as she arrived for the Academy Awards in 2011. The Florence + The Machine singer performed "If I Rise" from 127 Hours, which was nominated for Best Original Song.

Christian Bale and Mark Wahlberg, who both starred in the Oscar nominated film The Fighter, posed for a photo before the ceremony.

Celine Dion graced us with her presence at the 2011 awards alongside husband René Angélil, and performed "Smile" for the show's In Memoriam tribute.

Cate Blanchett looked gorgeous in a couture lilac gown by Givenchy.

Amy Adams shined on the carpet in a stunning navy blue L'Wren Scott gown. She was nominated for Best Supporting Actress for her role in The Fighter.