Best and worst Oscar hairstyles of all time

Demi Moore, 2010

Leave it to Moore to transform a tidy and traditional style into something soft and downright sexy. The timeless chignon perfectly complemented her gorgeous Atelier Versace gown—and established her a spot on nearly every best-dressed list.

Scarlett Johansson, 2005

This frizzy updo, held together by spiky silver clips in front and orange wiring in back, achieved the impossible: It detracted attention from Johansson's killer curves.

Natalie Portman, 2009

Portman's expertly placed jeweled piece looked romantic, not royal, while her swept-back style revealed her award-winning cheekbones.

Katie Holmes, 2007

This bizarre ornament brought to mind a strange aquatic life-form. We wish Holmes had kept it where it belonged: 10,000 leagues under the sea.

Reese Witherspoon, 2007

These sexy sideswept bangs gave Witherspoon's long, loose hair more oomph than an elaborate updo. Years later, we're still bringing this picture to our stylist.

Geena Davis, 1992

Nothing could have saved this.... With her messy bun, long bangs, longer gloves, and waist-whittling corset, Davis looked better suited to the Moulin Rouge—not the red carpet.

Sarah Jessica Parker, 2009

We're suckers for any woman who embraces her natural curves—or curls. Parker's glossy, buoyant waves and sunny highlights perk up her entire look.

Kate Hudson, 2001

This proves that bad hair happens to good (and gorgeous) people. The tight, frizzy pile of curls has an aging effect.

Angelina Jolie, 2009

This gorgeous half-up look almost garnered more attention than her famous red-carpet lip-lock. Almost. The swept-back waves showcased the $2.5 million in emeralds dripping from her ears.

Helena Bonham Carter, 2006

We're pretty sure Bonham Carter has been wearing the same hairstyle to the Oscars since 1987, but this version is especially over-the-top. The spiky bangs and lopsided bouffant just don't do her bone structure justice. Is a bouncy blowout so much to ask?