Too bare, too young, too tacky: these things all make for some very interesting fashion don'ts. See our favorite hits and misses.
How old is too old to wear starlet-inspired dresses?
Does the designer's dress work?
Does the little black dress
really go with everything, including lace boots?
Kristin Davis does a strapless blue look with statement necklace. Does it work?
Does America's Sweetheart have too much going on in the fashion department?
On screen and on the red carpet Hilary Swank is known as an top-notch actress. But is this latest look -- a gray Armani gown -- right for Hilary? You decide if the ruffles, high-low hem and asymmetrical bodice add up to fashion success or miss.
Beyonce is one of the most beautiful women in the world. But does this Balmain mini with train do her body justice? You decide.
Mary-Kate Olsen covered up -- way up -- in a baggy black gown. Too much for such a cute young actress?
Amanda Peet goes head-to-toe trendy in scarf, gladiators, distressed jeans and a studded bag. Does it work?
Bai Ling showed off her big tattoo on the red carpet with a low-back dress. Did you like it?
Anne Hathaway chose a shorts suit to promote a film. Is this a good look for her?
Is Paris' head-to-toe white look sweet or too much of a good thing?
Marcia Cross may have a 20-year-old's line-free face, but as more than twice that age should this red-headed beauty go girly with pigtails, cap and sailor-stripe shirt?
Some girls don't stop with just jewelry and shoes -- they glamorize their look all the way up to the roots of their hair. Do you think pink hair is a good fashion accessory?
Kim Cattrall's strapless dress was accented by lace panels that extended past the bodice. Did this design push the envelope or just fall flat? You decide.
Madonna chose a cold-shoulder Chanel couture look with open back for the Cannes red carpet. Did she strike a pose or cross the borderline with this beaded confection? You decide.
Angie Harmon wore a wide-leg floral jumpsuit. Is this something you could pull off?
It's toned and flat, but are we really ready to see tummies like singer Natasha Bedingfield's again?
Can Gwyneth Paltrow carry off pink and black (down to the black toenails) or is it too '80s for even this style icon? You decide.
Floral boho dress, funky belt and lace-up boots. Does this sound like it's right on trend or too much of a good boho thing for fashionista Kelly Bensimon? You vote.
A dress over jeans? Tricky to pull off. Does Jennifer Love Hewitt make it work?
Black tights with a white dress and white shoes. Nicky Hilton thinks this looks good, how about you?
Paris Hilton's silk dress and tights look creates a static cling disaster. Has this ever happened to you?
Country cutie Taylor Swift pulls off bare legs and cowboy boots. Is this something you'd try?
Too old to dress so young? Cast your vote.