Oscars 2015: Looking back at the nominees’ previous red carpet fashions

Cotillard donned a Christian Dior for the 2009 Academy Awards.  (Robyn Beck / AFP/Getty Images)

Jones stunned the red carpet at the 2015 Golden Globes with this elegant Dior gown.

The “Theory of Everything” star wore a pink off-the-shoulder Balenciaga column gown at the 2015 SAG Awards.

The actress chose this silver Givenchy gown for the 2015 Golden Globes.  (From left, Jason Merritt / Getty Images; Jason Merritt / Getty Images; Jason Merritt / Getty Images; Frazer Harrison / Getty images)

The “Still Alice” Oscar nominee chose this green Givenchy gown at the 2015 SAG Awards.  (Top left, center, right, Ethan Miller / Getty Images; bottom left, Kevork Djansezian / Getty Images)

The “Gone Girl” nominee wore this serious black Dior gown to the 2015 SAG Awards.  (Ethan Miller / Getty Images)

Pike wore a revealing white Vera Wang gown to the 72nd Golden Globe Awards on Jan. 11.  (Bottom left, Jason Merritt / Getty Images; top left, Frazer Harrison / Getty Images; center, Frazer Harrison / Getty Images; right, Jason Merritt / Getty Images)

Witherspoon wore a white Giorgio Armani gown at the 2015 SAG Awards.   (Top left: Ethan Miller / Getty Images; Bottom left, center and right, Frazer Harrison / Getty Images)

The “Wild” nominee opted for this elegant Calvin Klein gown for the 2015 Golden Globes.  (Frazer Harrison / Getty Images)

The “Boyhood” nominee chose this red gown for the 2015 British Academy Film Awards, where she won in the supporting category.  (Andy Rain / EPA)

Arquette wore a Vivienne Westwood dress to the 2015 SAG Awards on Jan. 25.  (Ethan Miller / Getty Images)

The “Wild” nominee opted for this colorful Roland Mouret dress for the Oscar nominees luncheon on Feb. 2, 2015.   (Michael Nelson / EPA)

Dern wore a black Max Mara jumpsuit to the Hollywood Reporter’s Oscar Nominees Night Party at Spago on Feb. 2.  (Frederick M. Brown / Getty Images)

The “Imitation Game” nominee wore a doily-collared Chanel gown to the 2015 Golden Globes.  (Bottom left, Frazer Harrison / Getty Images; top left, Jason Merritt / Getty Images; center, Frazer Harrison / Getty Images; right, Jason Merritt / Getty Images)

Knightley attended the 2015 SAG Awards in a plum-colored gown by fellow Brit Erdem Moraliglu.  (Frazer Harrison / Getty Images)

The “Birdman” nominee wore a dress by Dior designer Raf Simons at the SAG Awards on Jan. 25, 2015.

Emma Stone at the 2015 Golden Globe Awards in a Lanvin jumpsuit.

The “Into the Woods” nominee kept her look simple with a black Stella McCartney dress at the 2014 SAG Awards at the Shrine Auditorium in Los Angeles.  (Allen J. Schaben / Los Angeles Times)

Streep, a lead actress nominee at the 2014 Oscars for her role in “August: Osage County,” dressed in Lanvin.  (Kevork Djansezian / Getty Images)

Nancy and Steve Carell on the red carpet for the 2015 Golden Globe Awards, where Steve looked remarkably suave in Berluti.  (Mark Ralston / AFP/Getty Images)

Benedict Cumberbatch arrives for the 2015 British Academy Film Awards nominees party on Feb. 7, 2014.  (Andrew Cowie / EPA)

The “Imitation Game” nominee, with wife Sophie Hunter at the 2015 Golden Globes.  (Jay L. Clendenin / Los Angeles Times)

The “American Sniper” nominee at the 2014 Golden Globes.  (Jason Merritt / Getty Images)

The “Birdman” nominee in a gray Paul Smith shawl-collar suit at the 2015 Screen Actors Guild Awards.  (Paul Buck / EPA)