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. 29:21Kendall Jenner Flashes Her Butt (Again) At a Masquerade Ball02:01Kendall Jenner Shares Rare Glimpse Into Her Relationship With De…10:48‘Lucifer’ 5B: Tom Ellis and Lauren German on Deckerstar and the …08:4090 Day Fiancé: Loren and Alexei Open Up About How Tourette's Has…03:32North West Pokes Fun at Mom Kim Kardashian For Fangirling Over O…08:01‘The Masked Singer’: Jenny McCarthy and Donnie Wahlberg on His S…01:16Drew Barrymore Reacts to Her First Daytime Emmy Nomination (Excl…04:38Kim Kardashian Says She Didn't Pass First Year Law School Test24:58Ariana Grande Shares First Wedding Pics, What to Expect From ‘Fr…11:42Angela and Vanessa Simmons Talk 'GUHH' Season 6: Daniel Jacobs R…02:13Shania Twain Wants to Sing in a Trio With Blake Shelton and Gwen…04:33Kardashians Reenact Iconic ‘KUWTK’ Moments Ahead of Series Finale04:44‘The Conjuring’ Stars on the True Story Behind ‘The Devil Made M…02:51Ben Affleck and Jennifer Lopez Pack on the PDA During Dinner Dat…07:26Pascale Hutton and Kavan Smith Spill 'You Had Me at Aloha' Behin…01:43Robert De Niro Says His ‘Manageable’ Injury Won’t Impact Upcomin…01:42Jennie Garth Talks Sewing Her First Dress for Her Daughter's Prom11:48'90 Day Fiance': Angela’s Doctor Rejects Her for Facelift Surgery06:06Dove Cameron Was in a ‘Bad Place’ Following Thomas Doherty Split…02:28John Stamos Joins the Beach Boys for Fundraiser Performance (Exc… 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.