Kendall Jenner Flashes Butt Cheeks in Masquerade Mask at Birthday Party

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Kendall Jenner is showing off her backside again. Not shy about flaunting her supermodel body, she wore a masquerade mask while revealing her butt cheeks and feet at a birthday party in London.

Kendall Jenner attends Roberto Cavalli's wife Eva Cavalli's VIP birthday party in LondonKendall Jenner attends Roberto Cavalli’s wife Eva Cavalli’s VIP birthday party in London on October 10, 2015

We’re pretty used to the model’s butt cheeks at this point. The reality star has uploaded revealing photos to her own Instagram account in the past for art’s sake, but it’s still news every time she shows them off.

Kendall Jenner touches her face to adjust her masquerade mask as she arrives at a birthday partyKendall Jenner touches her face to adjust her masquerade mask as she arrives at a birthday party

Maybe it’s due to her model status? Somehow, if you’ve walked the runways of Karl Lagerfeld and Olivier Rousteing, an outfit like this doesn’t seem the least bit daring or inappropriate.

Kendall Jenner's feet in Gianvito Rossi heelsKendall Jenner shows off her feet in Gianvito Rossi heels

Kendall revealed her panties yet again as she attended the VIP birthday masquerade for Eva Cavalli, wife of fashion designer Roberto Cavalli.

Kendall Jenner flashes her panties in a sheer skirt by Katie ErmilioKendall Jenner flashes her panties in a sheer skirt by Katie Ermilio

The model wore a netted lace corseted swing skirt by Katie Ermilio, which she paired with a satin bandeau corset shell, navy satin mini briefs, a velvet blazer from Cushnie Et Ochs, a Givenchy “Pandora” purse and “Portofino” sandals from Gianvito Rossi.

Kendall Jenner and Cara Delevingne wear dark colors and lace as they attend a masquerade togetherKendall Jenner and Cara Delevingne wear dark colors and lace as they attend a masquerade together

Kendall attended the masquerade with her good friends and co-models Poppy and Cara Delevingne, who she would later fly out with to watch a One Direction concert in London.

Kendall Jenner and Cara Delevingne pose for masquerade photos togetherKendall Jenner and Cara Delevingne pose for masquerade photos together

Cara uploaded a few of her personal snaps, including an artsy one of Kendall’s derrière.

Cara Delevingne uploads a photo of the Kendall Jenner's derrière-revealing outfit on her Instagram accountCara Delevingne uploads a photo of the Kendall Jenner’s derrière-revealing outfit on her Instagram account

To get Kendall’s classic wear-with-anything sandal, visit Farfetch or Nordstrom. You may also check out this shoe in other colors and patterns.

Gianvito Rossi Portofino Sandals, $645 – $1,165

Gianvito Rossi Portofino Black Leather

Gianvito Rossi Portofino Red Velvet

Gianvito Rossi Portofino Python

Gianvito Rossi Portofino Polka Dot

Gianvito Rossi Portofino Leopard

Gianvito Rossi Portofino Gold Glitter

Credit: Cara Delevingne's Instagram / WENN