Lauren Bacall in Christian Dior, 1952 It comes around once a year, and this is where the celebs dress up to the nines in the best and most fabulous fashion brands ever known to mankind. Sunday's is where the voting takes place, will Anne Hathaway's wardrobe be the sweet or sour? Can Natalie Portman (current face of Dior) pin it with a bun in the oven? Here are some of the best Oscar looks to ev…