Oscars 2012: Best and Worst Dressed Stars

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Best Color Combo

Best Actress nominee Michelle Williams paired her coral-hued Louis Vuitton strapless dress with a bubble-gum pink crocodile clutch.

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Best Bling

Making her big post-baby Oscar return, Natalie Portman dazzled in a diamond V-shape necklace and oval drop earrings (almost 6 carats each!) by Harry Winston.

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Best Show-Stopper

Proving once again that she's George Clooney's best accessory, Stacy Keibler looked gorgeous in a metallic gold strapless Marchesa gown with a gathered rose detail on the hip.  

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Best Cleavage

Viola Davis and Jennifer Lopez put their assets front and center in sexy, low-cut looks.

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Best Retro Hair

Looking every bit the glamorous movie star, Penelope Cruz paired her custom Giorgio Armani gown with an elegant curled faux-bob.  

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Best Fit

Not only did Octavia Spencer win the Oscar for Best Supporting Actress, but she also had her personal red carpet best in a figure-flattering, custom ivory cap-sleeve Tadashi Shoji gown.

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Best Sequins

Rose Byrne stood out for all the right reasons in a Vivienne Westwood one shoulder black sequin gown.  

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Best Over 60

In a forest green strapless Zac Posen gown and matching blazer, Glenn Close looked sexier than many stars half her age.

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Worst Hair Makeover

Anna Faris debuted a new bob on the red carpet. Unfortunately, the severe style combined with the platinum color just wasn't working for her.

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Worst Bangs

Blunt, dramatic fringe were a big red carpet trend, but Ellie Kemper's version looked like they were obscuring her vision.

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Worst Accessory

Of course, many fashion insiders were in love with Gwyneth Paltrow's Tom Ford cape, but most of Us were left wondering if she was in costume, not couture.

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Worst Color Choice

Love the laid-back waves and edgy black nails, but Kristen Wiig's J. Mendel dress was predictable and left her looking total washed out.

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Worst Sparkle

Lea Thompson, it's nice to see you again. Your disco ball dress? Not so much.

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Worst Two-Tone Look

Melissa Leo, who got slammed by fashion critics for her look last year, didn't fair much better this time around with her sparkly black-and-gold Reem Acra gown.

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Worst Sleeves

While her Valentino dress was elegant and sophisticated, Shailene Woodley is way too young to be so covered up at the Oscars.