Note to Kate Upton: It. Is. On.
With that blonde bombshell starring in a new sexy slideshow, one that highlights the very best Kate Upton GIFs of all-time, Kim Kardashian was given no choice but the respond.
Does Upton really think she has the best bikini body out there? Does she really think Kim will lay down without a seductive fight, simply because she now has a baby at home?
Please. Kim Kardashian bikini photos were blowing up the Web long before Upton could legally vote... for real.
So sit back, toggle through the following images and decide for yourself just who has the most bangin beach bod on the planet:
1. Kim Kardashian Bikini Cover Pic
Kim Kardashian has her bikini body back! This is such great news, isn't it?
2. Kim Kardashian Bikini Body: The Return!
It's back! Kim Kardashian has regained her bikini body! We knew she could do it!
3. Kim Kardashian Bikini Bump
Take this, haters! Kim Kardashian bares her pregnant stomach in a bikini on this Us Weekly Cover.
4. Kim Kardashian Bikini Pose
Kim Kardashian poses here in a bikini. It's an unusual look for the reality star. She typically wears so many more layers.
5. New Kim Kardashian Bikini Pic
Kim Kardashian hikes up her bikini bottom in this Twit pic. Do you like the look?
6. Kim Kardashian Bikini Image
Hey, Kim Kardashian is back in a bikini! The reality star decided to Tweet this photo, just because really.
7. Kim Kardashian Bikini Photograph
Kim Kardashian is on a diet. It consists of being rich and having lots of time to spend with a personal trainer.
8. Kim Kardashian Bikini Photos
Kim Kardashian has posted these photos of herself in a bikini on Twitter. Why? Because that's what Kim Kardashian does.
9. Kim Kardashian Bikini Tweet
Kim Kardashian has Tweeted this photo of herself in a bikini. Why? Because that's what Kim Kardashian does.
10. Kim Kardashian Bikini Cover
Kim Kardashian has found a diet that works, as touted on this tabloid cover. It's called "Airbrushing."
11. Kim Kardashian Bikini Photo
Kim Kardashian says she wants to get a six-pack. We don't think she needs to change anything about her body at all.
12. Kim Kardashian Bikini Shot
Reggie Bush looks on approvingly as Kim Kardashian models a bikini for GQ. These two have a remarkably stable relationship.
13. Kim Kardashian Bikini
Kim Kardashian is all wet. She's probably thinking about Reggie Bush.
14. Kim Kardashian Bathing Suit Body
Kim Kardashian is officialy back! She posted this photo of herself in a bathing suit to Instagram.
15. Kim Kardashian Bathing Suit Pit
Kim Kardashian in a one-piece? Eh, we prefer this busty brunette in a bikini.
16. Kim Kardashian Bathing Suit Shot
Yup. It's another Kim Kardashian bathing suit photo. The reality star really has too much time on her hands.
17. Kim Kardashian Bathing Suit Pic
Kim Kardashian shows off some serious cleavage in this Instagram photograph. That's really nothing new for her, of course.
18. Kim Kardashian Bathing Suit
Kim Kardashian thinks she's a Bond Girl. What do you make of this unique swimming creation?