Starting out as a model, Nesbit soon broke into New York society. Her fame reached its height when her husband was involved in a splashy murder case dubbed the "trial of the century."
Silent film star Clara Bow was a symbol of the roaring twenties, but she achieved huge fame when she transitioned to "talkies." Perhaps the first to be dubbed an "It girl," it was her nickname at the time.
A socialite, heiress, and entrepreneur, there are rumors that the character of Holly Golightly in Breakfast at Tiffany's was inspired by her.
No one embodies the swinging '60s like supermodel Twiggy.
Jane Birkin started out an English actress, singer, and model and was famously partners with Serge Gainsbourg. The iconic Hermès Birkin bag is named after her.
The ultimate French cool girl, she's still a style muse today.
An iconic fashion model and actress, she was also married to David Bowie.
The former actress queen of Studio 54, Bianca Jagger is a symbol of the '70s. She was married to Mick Jagger.
One of the original supermodels in the '90s, Cindy Crawford is famous for her iconic Americana look and her trademark mole.
Kate Moss marked a shift in modeling during the '90s. In a turn from the supermodels from the earlier part of the decade, her slight frame ushered in the "waif."
It Brit Alexa Chung garnered fame for her cool street style and quirky personality.
Socialite and reality star Olivia Palermo is now known for her impeccable street style.
Dubbed an "Instamodel" by Vogue, Gigi Hadid's fame has risen in the age of Instagram and social media.
Though she originally gained fame as part of the Kardashian-Jenner clan, she has risen as a bona fide model.
Will Kaia Gerber be the next It girl? We're betting on it.
Next, read about the minimalist wardrobe essentials you haven't tried yet.