Oscars 2015: White dresses on the red carpet

Kerry Washington wears a champagne bustier top with peplum bodice and long chiffon skirt.  (Jordan Strauss / Invision / AP)

Nominee Julianne Moore in a strapless crystalline Chanel gown at the 2015 Oscars.  (Jason Merritt / Getty Images)

Lupita Nyong’o in Chopard 18-carat pear-shaped and 2.32-carat rose-cut diamond earrings.   (Chris Pizzello / Invision / AP)

Reese Witherspoon in Tom Ford. The pale blue column gown with black velvet band detail fits Witherspoon like a glove.  (Jason Merritt / Getty Images; left: Jay L. Clendenin / Los Angeles times; lower right: Liz O. Baylen / Los Angeles Times)

Singer Lady Gaga in a white gown with red gloves at the 2015 Oscars.  (Jason Merritt / Getty Images)

Viola Davis arrives at the 2015 Oscars.  (Jay L. Clendenin / Los Angeles Times)

Chloe Grace Moretz in white at the 87th Academy Awards on Sunday, Feb. 22, 2015.  (Jay L. Clendenin / Los Angeles Times)