in Vera Wang
"I just put it on, and it made me happy," says Bullock of her silk faille dress. It made her son Louis, 1, happy too: "He loves red!"
JENNIFER LAWRENCE
in Calvin Klein Collection
The first-time Oscar nominee (in understated earrings and a bangle by Chopard) revealed her slimming secret: "Spanx! That is how I keep my figure."
ANNE HATHAWAY
in Valentino Haute Couture
"I couldn't feel more like a princess slash movie star slash luckiest girl in the world," says the Oscar host (in a vintage gown and Tiffany & Co. jewels).
SELENA GOMEZ
in Dolce & Gabbana
The singer-actress' Judith Leiber bag wasn't the only stylish accessory on her arm: She graced the Vanity Fair Oscar party with boyfriend Justin Bieber.
ANNA PAQUIN
in Monique Lhuillier
The True Blood star paired her cocktail dress with Chopard jewels and Brian Atwood heels for the Vanity Fair bash.
JENNIFER HUDSON
in Atelier Versace
In the days leading up to slipping into her tangerine confection, "I tried to stay away from carbs," Hudson told PEOPLE. It paid off: "I feel amazing!"
Most Improved!
Her Oscars debut in 2007.












