Kylie Jenner Shows Off Peek-a-Boo Ink in Sexy New Photoshoot

Kim Kardashian, is that you?

The youngest sister on Keeping Up With the Kardashians is growing up right before our eyes, looking more like her older sister, Kim Kardashian, than ever before.

WATCH: Kylie Jenner Shows Some Serious Skin in Tiny Black Leather Dress

In her latest photoshoot, the 18-year-old reality star showed off her killer curves while striping down into just her undies and a hoodie. The pics shared on Instagram also reveal her hip tattoo, which is the phonetic spelling of “Sanity.”

WATCH: Kylie Jenner Opens Up About Caitlyn's Transition on 'Kocktails'

The Kylie Lip Kit creator credits photographer Sasha Samsonova for the gorgeous photos. The two have worked together several times before, including a NSFW photoshoot for Jenner’s 18th birthday in August and several videos for Kylie’s mobile app.

On Friday, Jenner shared two other photos from the shoot to celebrate reaching 50 million followers on Instagram. She’s well on her way to catching up with her older sister, who has 59.6 million followers. To see the seductive pics, watch the video below.