The Globe and Mail

Natalie Portman arrives at the Academy Awards, where she is nominated for best actress for "Black Swan."

Helena Bonham Carter on the red carpet

Jeff Bridges arrives at the Academy Awards, where he is up for the best actor award for his role in "True Grit."

Actress Sandra Bullock arrives at the Oscars, where she will be presenting one of the major awards.

Actress Gwyneth Paltrow

Actress Helen Mirren

Singer Celine Dion and her husband Rene Angelil on the red carpet.

Christian Bale and Mark Wahlberg on the red carpet: Their film "The Fighter" is nominated for best picture, and Bale is up for best supporting actor.

Javier Bardem arrives at the Academy Awards, where he is nominated for best actor for his role in "Biutiful."

Actress Penelope Cruz on the red carpet.

Halle Berry sparkles on the red carpet.

Actress Scarlett Johansson, who will be presenting an award, arrives at the Oscars.

Singer Keith Urban and actress Nicole Kidman arrive on the red carpet. Kidman is nominated for best actress for "Rabbit Hole."

Sharon Stone

Reese Witherspoon in black and white

Singer/actor Justin Timberlake on the red carpet.

Actress Hilary Swank

A smiling Hugh Jackman arrives at the Academy Awards.

Michelle Williams, a best-actress nominee for "Blue Valentine," arrives on the red carpet.

Actor Mark Ruffalo and his wife Sunrise Coigney arrive on the red carpet.

Aron Ralston, subject of the best-picture-nominated film "127 Hours," and wife Jessica Trusty on the red carpet.

Jennifer Hudson

Jesse Eisenberg, nominated for best actor for "The Social Network," on the red carpet.

Singer and actress Mandy Moore

Geoffrey Rush, nominated for best supporting actor for "The King's Speech," arrives on the red carpet.

Cate Blanchett is a red-carpet knockout.

Amy Adams

Actor Russell Brand and mother Barbara arrive on the red carpet.

Oscar show co-host Anne Hathaway arrives on the red carpet.

Another shot of Anne Hathaway in her gown.

Actress Mila Kunis from the Best Picture-nominated film "Black Swan" on the red carpet

Hailee Steinfeld, best supporting actress nominee for her role in "True Grit"

A close-up of Hailee Steinfeld's dress and purse.

Actress Virginia Madsen

Actress Jennifer Lawrence arrives before the 83rd Academy Awards on Sunday.

Actress Melissa Leo is nominated for best supporting actress for her role in "The Fighter."

A close-up of the pendant worn by Melissa Leo on the Oscar red carpet.

Bollywood actress Mallika Sherawat

Fashion designer Valentino