Forget Me Nots: The Most Talked-About Dresses of the Past 20 Years

That

dress is perhaps best known for demonstrating another handy use for safety pins: launching a career.

Red carpets once belonged to only a handful of designers, and "stylist" just meant "hair-dresser." Après Uma, le déluge.

For chic brides, out went froufrou and in came minimalism and silk satin bias cuts.

Back in his glory days (before camera phones), John Galliano could start an orientalism trend with a single design: a shift based loosely on a cheongsam.

She favored young designers way before they were cool. Say what you will about this Frankendress, but she spotted Theyskens well before he became a star.

A gown could not have been sweeter had it been spun from cotton candy.

The dress that crossed the belly-button divide also presaged an era of celebrities with increasingly naked ambitions. (Lopez even reprised the look on tour this year, minus the navel gazing.)

Calling someone old-fashioned suddenly became a compliment during the vintage craze brought on by this treasure from Lily et Cie.

The best actress Oscar winner took home another award that night, for a daringly sheer dress likely to inspire fantasies for years.

Making history chic, her dress is based on a sari worn by Jackie Kennedy in 1967.

Sometimes everything goes just right, and the dress, hair, makeup, and accessories create an indelible image for the ages.

Clean and sober in the front, scandalously plunging in the back, this dress could be described as the opposite of a mullet: It shows good taste.

More curve-hugging than a swimsuit on Baywatch, it's the sort of dress that causes men to lose their minds (even Isaac Mizrahi couldn't keep his hands to himself on the red carpet).

Dressing well is the best revenge after a high-profile breakup, as shown in six shades of pleated silk jacquard.

Whose ultimate bridal fantasy does not include a headpiece shaped like a bird?

The fashionable First Lady anoints a star from the next generation of American designers.

Shoulder pads make a comeback. And nothing says "outta-my-way" like a couture version large enough for a linebacker, when rendered in crystal-covered chain metal.

The world's most scrutinized royal wedding dress, kept secret until the last moment, combined the structure of Grace Kelly's gown with the media savvy of Princess Di's.

When your right leg spawns its own social-media following, you know you've created a moment. #jolieing

It's strange to call a fishnet T-shirt dress classy, but, hey.

Showing up to collect a fashion-icon award in a nearly invisible crystal-mesh dress takes a lot of nerve. Of course, that's why she won.