The all-black ensemble was paired with a red bow to honor AIDS victims. The look perfectly paired an elegant silk skirt with a casual red top. Angel Sanchez designed the navy blue dress.Christian Dior designed this off-white look. While on stage, she kissed Scarlett Johansson.Bullock won for her role in The Blind Side.While Bullock accepted her Oscar for The Blind Side, Harper's Bazaar said the actress shined like her long-awaited statue itself in this gold mermaid gown by Marchesa.Expert draping and a little volume: It's how Bullock nails the siren red dress (it's J. Mendel) and thigh-high-slit thing without venturing into Jessica Rabbit territory, Catherine Devine at Allure wrote in 2014. Her pouf may be a little, well, pouf-y, but her dramatic lashes are spot-on.The 48-year-old glittered in her sheer black Elie Saab Haute Couture gown, diamond earrings and bejeweled barrette — now that's the A-lister we've come to know and love, HuffPost wrote at the time. This lace mini dress was designed by Stella McCartney.The 'Gravity' star stomped all over the likes of Angelina Jolie and Charlize Theron (metaphorically, of course) in a navy Alexander McQueen gown that took our breath away, HuffPost wrote at the time.The asymmetrical, emerald dress designed by Lanvin certainly stood out.This look took the pencil dress up a notch by adding geometric cutouts to the top and bottom. E! Online said the actress turned heads in a shimmering look on the red carpet that year. The red gown with intricate ruffling made this look a real showstopper. She wore red lipstick to match.The ethereal dress was designed by Alberta Ferretti.This time, the actress showed sequins could be casual by wearing a Zuhair Murad jumpsuit. She wore the look on an episode of Jimmy Kimmel Live.The salmon pantsuit was perfectly subdued for the event. Shining bright and looking radiant, Bullock worked that stage in her ruffly and strapless marigold colored gown, Pamela Avila at E! Online wrote last year.