Modern Family's Sarah Hyland looks age-appropriate and elegant in a flowing, lavender gown with a sweeping train and loosely pulled back hair.

Rose Byrne shines in an asymmetrical bare-backed, black-sequined Vivienne Westwood dress with a short bob and blunt bangs.

Bérénice Bejo's v-neck long-sleeved gown looks like it was splattered with broken Christmas ornaments.

Jessica Chastain epitomizes the classic, glamorous Hollywood starlet in her sweetheart-neck gown, although the top is a tad ill-fitting.

Melissa McCarthy's dress has too much drapery, and the color washes out her skin tone.

Shailene Woodley's strait-jacket-looking dress is too buttoned-up for a 20-year-old.

Viola Davis stuns in a low-cut strapless hunter green gown with an asymmetrical ruffled hem.

Stacy Keibler channels the Oscar statue in gold, but the bunched-up fabric on her right hip takes away from the rest of the look.

Michelle Williams' coral Louis Vuitton dress would've hit the mark without that extraneous peplum and sparkly bow.

Rooney Mara's pale-colored gown washes her out and the low-cut silhouette is too severe for her extremely thin frame.

Octavia Spencer is breathtaking in a ruched beaded Tadashi Shoji gown.

The Artist's Missi Pyle chooses a flattering flowy silhouette, but the color is too pastel for our taste.

Jane Seymour's bright-red beaded gown screams more Vegas showgirl than Academy Awards.

Judy Greer could fit into Studio 54 with this black and liquid-silver halter gown.

Tina Fey looks glam in a strapless eggplant satin gown and hair pulled back in a bun.

Anna Faris' long-sleeved black sequined gown is too big and her short blond bob is too severe.

Emma Stone is gorgeous in a high-necked cranberry-colored halter gown that cinches at the waist and then drapes to the floor.

Jennifer Lopez has perfected the extremely low-cut gown, and pulls it off again in white stripes that gather in the center.

Busy Phillipps looks great in a strapless, jacquard dress accented with a pop of color from her pink shoes.

Glenn Close is timeless and stunning in a tight, dark-green gown with a sweeping train and matching jacket.

Best Actor nominee Jean Dujardin looks classic in his tuxedo and bowtie, which complements his date's sexy, low-cut navy gown.

Liven up, Jonah Hill, you're at the Oscars! The actor is a little too drab in his all-black tuxedo.

Leslie Mann looks stunning in her flowing, navy strapless gown that has pizazz with the sparkly middle.

Maya Rudolph plays it safe in this eggplant gown with beaded sleeves and matching belt.

Penelope Cruz channels Old Hollywood in a lavender ball gown with slicked back hair.

Kate Mara wears a similar color as her sister Rooney, but chooses a much more flattering gown. The beading is outstanding with a belted waist and draped sleeve.

Kristen Wiig looks a little messy in a drab, washed-out beige and wavy hairstyle.

Gwyneth Paltrow looks chic in a simple white Tom Ford gown with a cape that covers her shoulders.

Natalie Portman stands out in a red polka-dot dress with a chunky diamond necklace.

Meryl Streep's V-neck gown looks too big and billowy for her frame, and the color too metallic.

Cameron Diaz’s gown is simple on the top, but flirty and fun on the bottom with flowing handkerchief-style ruffles lined with beads.

Virginia Madsen is a hot mess in this crinkly lavender gown and wavy updo.

Sean "Diddy" Combs is sleek in this classic tux and bowtie combo.

Sandra Bullock gets points for trying something different, but the white top hangs loose on her frame and the middle looks like claws are grabbing at her midsection.

As the producer of the Oscars, Brian Grazer could've cleaned up a bit, but instead wears a crooked bowtie and his signature spiky hair.

Julia Ormond wears a flattering one-shoulder navy dress that gathers with a beaded broach.

Sherri Shepherd channels her inner Grecian goddess in a bright-blue dress that cinches with a beaded waist.

Kudos to Christopher Plummer for doing something different by sporting a velvet tux jacket.

Bridesmaids' Ellie Kemper chooses a sparkly copper- and golden-beaded strapless gown that complements her reddish-brown locks — which could use a trim in the bangs.

Brad Pitt and Angelina Jolie, once again, define red carpet glam. Brad is classic in his tux and bowtie, while Angelina is sexy n her black-velvet dress showing off one leg with a high slit.