From PEOPLE Magazine Click to enlarge
ANGELINA JOLIE

in Atelier Versace

"I feel sexy in black velvet," said the star, who took advantage of the slit to show off her Salvatore Ferragamo heels.

MICHELLE WILLIAMS

in Louis Vuitton

"She looked so delicate-like a beautiful flower," said Chanel makeup artist Angela Levin of the Best Actress nominee, who wore a Fred Leighton for Forevermark necklace.

ROONEY MARA

in Givenchy

"I put it on and I loved it. I thought it was really beautiful," said the Best Actress nominee of her gown, which she paired with a Fred Leighton diamond ring.

JESSICA CHASTAIN

in Alexander McQueen

"The dress feels bigger than life. It is a major-moment dress," said the nominee. Her accessory? $2 million of Harry Winston jewelry.

JENNIFER LOPEZ

in Zuhair Murad

The American Idol judge's custom creation-a throwback to the '70s-took four weeks to complete, says the designer. For more on Lopez's Oscars look, go to page 108.

VIOLA DAVIS

in Vera Wang

"I loved the color and the cut," said the Best Actress nominee of the corseted gown she paired with Lorraine Schwartz gems and a Judith Leiber clutch.

TINA FEY

in Carolina Herrera

"We went for an Old Hollywood look with a modern twist," said makeup artist Gita Bass of Fey's custom peplum dress, Roger Vivier clutch and Bulgari jewels.

EMMA STONE

in Giambattista Valli

The presenter's look was "so elegant," said hairstylist Mara Roszak of Couture Colour about the dramatic dress that Stone accessorized with a Louis Vuitton clutch and jewels.

ROSE BYRNE

in Vivienne Westwood

"I thought it was cool and avant-garde," she said of her gown. "I'm very comfortable. That's not always the case!"