Although Jenner didn't wear the look on the official Cannes red carpet (the Fashion For Relief Gala is a private event hosted independently of the festival), it's a courageous move nonetheless. Kendall also dressed up the look with a shimmery belt, black stilettos and a choker necklace.
While the silver frock was Hadid's first of four outfits at the event, Jenner upped the ante with five wardrobe changes, including a casual pair of jean shorts balanced by a sophisticated black one-shoulder Alexandre Vauthier crop top with a sweeping train.
The brunette beauty chose a bright strappy number for the star-studded bash which featured a dangerously low-cut back.
Supermodel Naomi Campbell hit the catwalk in Cannes to raise money for children with her Fashion For Relief event.
Kendall has been at Cannes all weekend, and turned heads yet again at the 120 Beats Per Minute premiere on Saturday when she stepped out in a Giambattista Valli gown.
Kendall Jenner bravely went where no (wo) man has been before last night after she made a decision to wear denim cut-offs on the Cannes red carpet.