Blake Lively's too-short lingerie dress does not belong at a movie premiere — well, Showgirls maybe, but definitely not Sherlock Holmes.

A conservative brown tweed suit is really flattering on Robert Downey Jr. A pale pink shirt and tie modernize the look.

We've mocked towel-like dresses before, but Ashley Greene's shapeless, strapless white frock wins the prize for closest resemblance.

CCH Pounder wears Avatar's signature shade of blue to the film's premiere — with a wrapped gown that shows off her curves.

We love the draped sash of Penelope Cruz's asymmetrical, red satin dress — it's very modern goddess.

Fergie also wore a Grecian look: a flowing white gown with a long, sheer overlay and sparkling silver belt.

Madonna and her daughter Lourdes pay homage to the Material Girl's early style with oodles of black lace, layered necklaces and fingerless gloves. But were they going to an '80s party?

The black-on-black embellishments on Nicole Kidman's strapless dress are elegant, but we're so over balloon-bottom dresses.

Kate Hudson's boat-neck minidress would have been super-cute without that hideous tail hanging from the back of it.

C'mon, SJP. We expect more exciting dresses from Carrie Bradshaw — especially at the red-carpet premiere of your own movie. Her black frock is blah and matronly.

We can deal with Robert Downey Jr.'s fedora; it goes nicely with his gray three-piece suit. But Jude Law's red-trimmed, polka-dotted scarf isn't doing his suit any favors.

Heather Graham may have been aiming for snow angel with her fitted white minidress, but it's actually closer to angel hooker.

First off, pale blue is not a good color for the fair-skinned Rachel McAdams. Second, it's a bit too much dress for her. Don't get us started on the Jersey Shore-style hair pouf either.

While Catherine Zeta Jones has an old Hollywood glam feel going on, the cut and fit of her black gown could stand some retooling.

This year's "Sexiest Man Alive," Johnny Depp, works his boyish charm in a three-piece black suit with a white pocket square.

Tricia Helfer's peach minidress does nothing to accentuate her long and lanky frame. And her peep-toe shoes are pretty boring as well.

Alyssa Milano's blue dress and black belt makes the actress look stumpy and much thicker than she is in reality.

Mandy Moore's long black dress with sheer sleeves is straight out of The Addams Family. Girlfriend needs a new stylist — fast.

There's something very pink-poodle chic about Nicole Kidman's fitted frock and ruffled capelet.

Victoria Beckham pushes the fashion envelope with a boatneck dress. The shoulder embellishments are nice on the simple silhouette.

Ashley Tisdale must have just rolled out of bed because she appears to be wearing an oversized nightshirt.

We don't hate Brittany Snow's strapless dress, but it's a bit too plain-Jane for our tastes.

Now that's what we call a holiday outfit! Jordana Brewster is super-sexy in a metallic-green dress with cap sleeves.

We like the idea behind Anna Kendrick's minidress with a black sheer overlay, but the bottom is messy.

Rachel Weisz's silver, multilayered minidress is fun, flirty and the perfect color for the holiday season.

Wow! Contrary to what is scrawled across Lea Thompson's black dress, "Love" is the last word we'd use to describe this tacky frock.

While Susan Sarandon's navy dress is classy and well-fitted, it appears as though she forgot to change out of her house slippers.

From the color to the silhouette, Saoirse Ronan's gold dress is a bad choice. And don't get us started on those horrendous shoe-boot-sneaker things on her feet.

Jenny McCarthy makes one sexy Santa. We love her twist on the traditional look with a high-waisted belt, Capri pants and black stiletto boots.

Despite the stiff, awkward pose, Harry Connick Jr. looks quite dashing in a black tuxedo and bow tie.

Lynda Carter took the whole Wonder Woman thing a bit too far with a long black gown with silver wings covering the chest.

A shimmering bow-shaped belt is the perfect holiday accessory to jazz up Eva Amurri's simple satin top and black tiered miniskirt.

Kate Hudson's white and silver gown is one of the most unique silhouettes we've seen in a long time. The textured top paired with the layers on the bottom is truly stunning.

Penélope Cruz's drab gown is nothing special, and it looks like she's not too thrilled about it either.

It takes a bold man to wear red and black pin-striped pants. That man is Daniel Day-Lewis. That is all.

Nicole Kidman looks very sharp and sophisticated in a casual pairing of a white jacket and champagne miniskirt. It really brings out her lovely strawberry blonde tresses.

Sure, Meg Ryan is getting older, but she still doesn't need to cover up every inch of her skin with a matronly, long-sleeved dress and boots.

Sequins may be all the rage right now, but Drew Barrymore's minidress with shoulder cut-out reminds us of blobs of algae.

As ridiculously perfect as Emmanuelle Chriqui's body is, this ultra-low cut purple minidress is not flattering.

Let's call Courtney Love's look "Desperately Seeking Susan goes to a funeral."

Kyra Sedgwick's black and red tea-length dress and Kevin Bacon's black suit with blue tie are both striking color combos.

Both Matt Damon (who looks like a tubby penguin) and wife Luciana Bozan Barroso are having fit issues with their outfits.

George Clooney and his two favorite ladies, girlfriend Elisabetta Canalis and mother Nina Warren, clearly planned their matching black-on-black color scheme for the red carpet.

Vera Farmiga certainly looks goddess-like in this white Grecian gown. But why wear something this bridal to a movie premiere?

Cindy Crawford could wear a potato sack and look smokin' hot, but she gets points for those sexy strappy stilettos.

The draping and ruching of Brooke Shield's off-the-shoulder dress is edgy, but not quite flattering.

We're all for holiday spirit, but SNL's Kristen Wiig looks like an elf in red tights under a black dress.

Natalie Portman's slim frame isn't overwhelmed by a shimmering blue and green minidress.

Oh, Katie. A too-short minidress paired with a gray motorcycle jacket and unkempt hair? You look so...well, depressed.