2 Dresses, 1 Night: The Oscars Edition!

Sometimes, one dress just isn't enough -- especially on Oscar night!

Vote on which glam gown you prefer on Hollywood's most stylish stars in this special Oscars edition of "2 Looks, 1 Dress!"

Jennifer Lawrence donned a voluminous Dior dress that proved to be very difficult to walk in as she accepted her Best Actress Oscar  -- but later changed into a slinkier Calvin Klein number that hopefully resulted in fewer accidents for the Vanity Fair Oscar Party.

Like Jennifer Lawrence, Amy Adams was probably glad to ditch all the layers of her Oscar de la Renta red carpet gown, changing into a more form-fitting number by the same designer for the Vanity Fair Oscar Party.

Anne Hathaway switched out of her polarizing pink Prada gown into a sky blue halter gown for the Vanity Fair Oscar Party.

It was one amazing look after another for Zoe Saldana. Zoe stunned in an unconventional Alexis Mabille Couture on the red carpet, then later switched it up in a sexy black Givenchy dress only she could pull off.

Naomi Watts was clearly in the mood to sparkle on Oscar night, rocking a shimmery Armani Prive gown, then later changing into an equally glittering Emilio Pucci gown.

Amanda Seyfried changed out of her more demure Alexander McQueen gown into a fire engine red Givenchy gown for the Vanity Fair Oscar Party.

Adele looked fantastic in a black Jenny Packham gown, before showing a little more leg in a Burberry dress for her performance of Skyfall during the big show.

Kelly Osbourne sported a black Tony Ward Couture gown for her red carpet duties, and then later let loose at the 21st Annual Elton John AIDS Foundation's Oscar Viewing Party in this midriff-baring white gown.

Jane Fonda caused a splash on the Oscars red carpet in a bright yellow Versace gown, before changing into a printed number for the Vanity Fair Oscar Party.