Jessica Chastain lets her gorgeous red locks down for a soft and simple wavy style.

Rose Byrne's heavy bangs crowd her face and her simple bob clashes with her over-the-top, glittery jumpsuit.

Kaley Cuoco's Heidi-esque braid turns the clock back a few too many years and makes her look too young on the carpet.

Angelina Jolie makes a winning combination by wearing her silky smooth brown hair down with her black halter dress.

Diane Lane scores with a playful but elegant ponytail that shows off her one-shouldered gown nicely.

Is she hiding a helmet under there? Amber Heard's pouf reaches Snooki-esque heights, and we don't mean that as a compliment.

Octavia Spencer keeps it clean and chic with a meticulous high bun that offsets her longer sleeves.

Dear Stacy Keibler, you're beautiful! Now can you please push those too-perfectly-sculpted curls out of your face? Thanks.

If it ain't broke, don't fix it. Simplicity wins out once again when Emma Stone pulls her auburn tresses into a simple updo.

Paging Stacy Keibler, this is how you pull of a relaxed 'do on the carpet. Sofia Vergara lets her bangs loose on each side and sports a pretty ponytail.

Dianna Agron tries to rock a sexy, messy braided style — emphasis on the messy, with a few too many distracting flyaways.

Heather Morris wins worst braid in show with this half-up, overly curled 'do that is not only painful to look at, but looks painful to her scalp.