Gigi Hadid's Prom Dress Wasn't What You Imagined, It's Better

Gigi Hadid and Kendall Jenner have both walked in numerous runway shows, have shot campaigns for major brands (like Calvin Klein and Marc Jacobs), and, of course, are known for being It girl BFFs. They tend to keep it real, whether it's in front of the camera or backstage at Fashion Week, so when it was time for them to spill some of their best-kept fashion secrets, they willingly obliged.

As part of W Magazine's video series "Screen Tests," the ladies shared stories on prom, their first big breaks, and other tidbits we never knew with Lynn Hirschberg. Gigi even revealed what she wore to prom and why she covered up in a bandana for her baby Guess campaign. If you thought you knew everything about these two, the secrets below may prove you wrong.

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Gigi Hadid on Her First Campaign

It was for Baby Guess at age 2 and Gigi said, "I don't remember this, but the night before the first shoot I cut my own bangs, so in my first baby Guess campaign I am wearing a bandana."

Gigi Hadid on What She Wore to Prom

It was a red, Hervé Leger dress.

Gigi's First Start
Getty | Rommel Demano

Gigi's First Start

Was for a Tom Ford campaign.

Gigi on Her Runway Walk
Getty | Peter White

Gigi on Her Runway Walk

Gigi admitted she isn't the best, saying, "It's funny because obviously I'm not the best on the runway — okay everyone, we did it, Gigi said it, I know it!"

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Kendall on Her Favorite Model
Getty | Peter Kramer

Kendall on Her Favorite Model

Her favorite model when she was 10 was Gisele Bündchen.

Kendall on Her Big Break
Getty | Neilson Barnard

Kendall on Her Big Break

Walking in the Marc Jacobs Fall 2014 show. "My tits were out, I don't know why I wasn't nervous about that. I was really excited about my tits being out, actually," she said. "I'm young and when I'm older, I want to be able to look back on it and be like, 'I looked good!'"