Best Oscar Looks:

1. Michelle Williams - 2006, Vera Wang
2. Marion Cotillard - 2008, Jean Paul Gaultier 
3. Gweneth Paltrow - 2007, Zac Posen 
4. Rooney Mara - 2012, Givenchy Haute Couture 
5. Cate Blanchette - 1999, Galliano

Best Oscar Looks:

1. Michelle Williams - 2006, Vera Wang

2. Marion Cotillard - 2008, Jean Paul GaultierĀ 

3. Gweneth Paltrow - 2007, Zac PosenĀ 

4. Rooney Mara - 2012, Givenchy Haute CoutureĀ 

5. Cate Blanchette - 1999, Galliano

(Source: eonline.com)