Cate Blanchett's chopped locks are the perfect complement to her gladiator-inspired gown. The hair is chic and elegant, and it doesn't compete with the attention-grabbing dress.
2 of 9 Jeff Kravitz/FilmMagic.com
Don't
Since she’s no stranger to the Academy Awards red carpet, Amy Adams should know better than to show up with lazy wavy hair.
3 of 9 Steve Granitz/WireImage.com
Don't
While Scarlett Johansson's hairstyle is a major improvement over her Bride of Frankenstein look from the Golden Globes, it's just too casual for the Oscars.
4 of 9 Steve Granitz/WireImage.com
Do
Michelle Williams' short 'do and flawless makeup were the stars of her simple, beautiful Oscars look. She's a modern-day Mia Farrow.
5 of 9 Steve Granitz/WireImage.com
Don't
Sharon Stone's updo was probably a good idea on paper, but it's just too high. Plus, the black feathers on her gown make us fear a couple of birds may have gotten lost in her hair.
6 of 9 Steve Granitz/WireImage.com
Don't
We don't think Nicole Kidman's ponytail was the correct choice. Our biggest problem, though, is with the side-swept bangs that ended up in Nicole's eyes all night. When you're posing for hours, the last thing you need to constantly do is brush hair from your face.
7 of 9 Kevin Mazur/WireImage.com
Do
Thank goodness Sandra Bullock's stylist pulled those Golden Globes bangs back for this stylish updo. Her hair shows off her shoulders and the excellent architecture of her beautiful gown
8 of 9 Lester Cohen/WireImage.com
Don't
Reese Witherspoon's ponytail screams high-school cheerleading auditions — not Oscars red carpet.
9 of 9 Jeff Kravitz/FilmMagic.com
Do
Hilary Swank's pinned updo is soft and elegant — a perfect combo with her sequined, feathered gown.