Kendall Jenner loves to pose in a racy manner, and has taken part in this pastime for years and years. Kylie learned from the very best.
These photos provide evidence of that, and then some. Here's a look back at some of her best moments in honor of her 20th birthday ...
Kendall Jenner in Blue Lingerie
Kendall Jenner rocks a blue bra and confident look in this photo from the 2015 Victoria's Secret Fashion Show.
Kendall Jenner Nipple Pic
This is how Kendall Jenner chose to celebrate her 40 millionth follower: via a photo of her exposed nipple! At least she censored the body part, however.
Kendall Jenner Underwear Image
Kendall Jenner posted a photo of herself in her underwear on Instagram. Promoting Calvin Klein or her own trim figure? You be the judge.
Kendall Jenner Instagram Pic
Kendall Jenner has taken more intimate selfies on Instagram. What do you think of these photos?
Kendall Jenner in Calvin Klein Underwear
Kendall Jenner is reportedly the new face of Calvin Klein. She freqently posts photos of herself wearing the brand's underwear on her Instagram page.
Kylie Likes to Watch
Kylie likes to watch her sister Kendall Jenner in her modeling element.
Kendall Jenner in Victoria's Secret Lingerie
Check out my breasts, people! Kendall Jenner is showing off nearly every inch of her at the 2015 Victoria's Secret Fashion Show.
Kendall Jenner for Victoria's Secret
Chalk up another major step for Kendall Jenner as a model. She's strutting her stuff here for the Victoria's Secret Fashion Show.
Kendall from the Back
Here is a view from the back. Do you like what you see from Kendall Jenner at the 2015 Victoria's Secret Fashion Show?
Kendall Jenner in Calvin Kleins
This is a photo of Kendall Jenner in her underwear. Seems about right, doesn't it?
Kendall Jenner Middle Finger Photo
Kendall Jenner posted an Instagram photo that many are interpreting as a shot at Tyga. Does the model disapprove of Kylie's much older boyfriend?
Kendall Jenner for Flavor
Kendall Jenner poses here for Flavor Magazine. No, really! It's an actual publication!
Kendall Jenner Shark Costume
Kendall Jenner gets her sexy shark on in this photo for Love Magazine. We can't say we saw THIS coming.
Kendall Jenner in Some Underwear
Kendall Jenner is now a Victoria's Secret Angel. She isn't wearing much clothing here at all, huh?
Kendall Jenner on Top
Kendall Jenner says she is on top of the world in this Instagram photo. We don't doubt it.
Kendall Jenner No Pants
Kendall Jenner loves Drake. She can do without pants though, apparently.
Kendall Jenner Topless Selfie
Kendall Jenner posted this selfie to Instagram. As is often the case, she's half-naked.
Kendall Jenner on Bed With No Pants
Kendall Jenner on a bed with no pants. That about sums it up right there.
Kendall Jenner Smiling Pic
Kendall Jenner posted this pic to Instagram. It was taken by amateur photographer and professional weirdo Moises Arias.
Hot Kendall Jenner Instagram
Hot Kendall Jenner on Instagram. This is the best photo of her.
Kendall Jenner: In Bed With Bieber?!
Kendall Jenner's latest Instagram upload has fans buzzing. Is the model actually in bed with Justin Bieber?
Kendall Jenner on Instagram
This is a picture of Kendall Jenner, not of Kim Kardashian. We're serious!
Kendall Jenner on Insta
Kendall Jenner covers up some of her more controversial body parts in a new Instagram photo. We know how Insta loves to get bent over nipples.
Kylie and Kendall at MuchMusic Awards
Kendall and Kylie Jenner on the red carpet at the 2014 MuchMusic Awards.
Kendall Jenner, Asleep
Kendall Jenner is fast asleep in this photo. She's also, as always, showing a bit of skin.
Kendall and Kylie Sexy Photo
Kendall and Kylie Jenner pose for one seriously sexy Instagram photo.
Kendall Without a Bra
No bra? No problem for Kendall Jenner! She strikes a pose here at the 2014 Billboard Music Awards.
K to the J
Kendall Jenner is hot and she knows it. She is gunning for Kim's throne.
Kendall Jenner: Legs For Days
In this Instagram photo, Kendall Jenner shows off legs for days. Weeks, even.
Kendall Jenner in W
Kendall Jenner is unafraid to flaunt what her mama gave her. She poses here for the March 2014 issue of W.
Kendall Jenner Harper's Bazaar Arabia Pose
Kendall Jenner lies back and strikes a pose here for Harper's Bazaar Arabia, which is apparently a real publication and everything.
Kendall Jenner Bed Selfie
This is actually NOT a photo of Kim Kardashian. We're serious! It's a selfie of her half-sibling, Kendall Jenner.
Instagram Kendall Jenner Pic
Kendall Jenner posts photos on Instagram like it's her job. Which we suppose it sort of is!
Kendall Jenner Church Outfit
Really, Kendall Jenner?!? This is what you wore to church on Easter Sunday?!? Wow.
Kendall Jenner GQ Cover
Kendall Jenner shows off her bikini body on the cover of GQ. The 19-year old is officially a global sensation in the modeling world.
Kylie and Kendall Kiss
Kylie posted a photo of herself lying on a bed and kissing Kendall Jenner on Snapchat. Is she just showing her love for her sister, or has the 17-year-old gone too far?