News Kendall Jenner Flashes Her Butt (Again) in Lacy Two-Piece at Masquerade Ball By Desiree Murphy 5:24 PM PDT, October 10, 2015 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 21:09Kendall Jenner Flashes Her Butt (Again) At a Masquerade Ball23:46Britney Spears’ Dad Files to End Her Conservatorship, John Mulan…02:22Kylie Jenner Was Considering a Gender Reveal at Met Gala Before …04:01Tia Mowry Gives Disappointing Updates on 'Sister, Sister' and 'T…02:24Cesar Milan Reflects on Friendship with Jada Pinkett Smith and T…02:02Dr. Phil Talks ‘House Calls’ and Celebrating 45 Years of Marriag…01:21Watch 'Making It's Amy Poehler and Nick Offerman Battle in a 'Pu…03:00Why Kelly Clarkson Is 'Not Happy' About Paying $150,000 in Spous…03:04‘Stand by Me’ Cast Recalls Filming Iconic Scenes and Becoming Re…24:53Kylie Jenner Is Pregnant, Channing Tatum and Zoe Kravitz Spark D…02:37Jennifer Lopez and Ben Affleck Playfully Kiss and Show Off Some …07:20Yvonne Orji on the End of 'Insecure' and Her New Movie 'Vacation…02:40Watch Zac Efron Dance in His First TikTok Video With Jessica Alb…03:09John Travolta Had a Difficult Talk With Son Ben About Death Foll…08:08'90 Day Fiancé': Biniyam on Why He's 'Scared' to Lose His Family…13:2090 Day Fiancé: Angela Abruptly Leaves Tell-All, Says Marriage to…02:21Kristen Bell on ‘Queenpins’ and Onscreen Chemistry With Bebe Rex…03:00‘90 Day Fiancé’ Star Loren Gets Emotional Over Visiting Newborn …05:25John Cena on Wanting Dwayne Johnson to Hop Back Into WWE Ring (E… She may not have the most famous butt in the Kardashian family, but that doesn't stop Kendall Jenner from flaunting it. The 19-year-old model bared her booty at a fancy masquerade ball held in honor of designer Roberto Cavalli's wife, Eva, on Friday at One Mayfair in London. Getty Images WATCH: Kendall Jenner Poses Topless: 'I'm Washing Away My Sins'Jenner looked very chic, wearing a navy bralette and a sheer lace skirt over high-waisted briefs -- which hardly covered her backside. She topped off the look with a velvet blazer. Inside the party, Kendall was joined by her best friend and fellow model, Cara Delevingne. The two were both photographed wearing matching lacy masks to fit the party's theme.Getty Images WATCH: Kendall Jenner Bares Her Booty at Paris Fashion WeekCara's sister, Poppy, was also in attendance, and the three snapped an adorable pic with the birthday girl."Unforgettable night," Eva captioned the photo. View this post on InstagramA post shared by Eva Cavalli (@eva_cavalli)Cara, 23, also took to Instagram to share some highlights from the night, like this artsy close-up of Jenner's bum. "Piece of CaKe," she wrote. WATCH: Khloe Kardashian Shows Off Booty in Sexy Swimsuit"Face off," Cara captioned another photo of the masked beauties. View this post on InstagramA post shared by Cara Delevingne (@caradelevingne) This isn't the first time Kendall's gotten cheeky in public. Watch the NSFW video below to see another one of Kendall's shockingly sheer outfits. Kendall Jenner Rocks a Sexy Thong in See-Through Pants and Totally Owns it! This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.