Kristen Stewart

It's a question dating back to Old Hollywood.

Two-time Oscar winner Jacqueline Durran discusses her sartorial "formula" and raiding the Chanel archives to interpret Lady Di's iconic royal style.

Featuring Zendaya in Balmain, Cynthia Erivo in Atelier Versace, Isabelle Huppert in vintage Armani and more.

From Kristen Stewart in Chanel to Naomi Campbell in Alaïa to Elle Fanning in... well, everything.

To celebrate this one-of-a-kind star's birthday, we rounded up our favorite Kristen Stewart looks of all time.

Costume designer Kathleen Felix-Hager used classic colors and silhouettes to help tell an evergreen (sorry) holiday love story.

Some news to brighten up your Wednesday.

Not no.

This is the perfect summer outfit for anyone who's not into sundresses.

Here's to the woman who wears Nikes with her couture and takes off her heels in the middle of the Cannes red carpet.

This woman has never voluntarily stayed in heels longer than she absolutely had to.

Further proof that pearls are badass.

These celebs are leading the way for self-expression through fashion.

Plus, the nuanced language of conscious fashion, explained.

A handful of entertainment's biggest names make the case for a modern-day take on Shakespeare's most iconic play.

She wore a Cartier necklace with 610 diamonds *backward* to the latest "Charlie's Angels" premiere in London.

Costume designer Kym Barrett shares the behind-the-scenes details on the super-spy wardrobes of all the Angels.

The pantsuit aficionado strikes again.

Models! Gowns! Oh, and movies!

Each takes her turn portraying Shakespeare's Juliet.

Stars went all out with on-theme, delightfully campy wigs, lashes, accessories and nails.

The new film about the hoax of the decade also co-stars Diane Kruger and Courtney Love in current day Vika Gazinskaya.

And it makes all the sense why.