As we get ready to put this year ~behind~ us, it's important to take a look back at the handful of butt selfies — er, "belfies" — that made 2017 so great.

photo: Giphy
1

Kylie Jenner kicked off 2017 with the year's first belfie.

Kylie Jenner butt selfie
photo: Instagram/@kyliejenner

"New year who dis," Jenner greeted her Instagram followers.

2

By March, Ashley Graham's "Baywatch"-inspired belfie broke the internet.

Ashley Graham butt selfie
photo: Instagram/@theashleygraham

Her booty looked incredible in the iconic red one-piece.

3

Graham later brought out the squad for a group belfie.

Squad look back at it belfie
photo: Instagram/@theashleygraham

Models Teyana Taylor and Niki Taylor starred in a ~cheeky~ Swimsuit's For All campaign alongside Graham. 

4

Ariel Winter rocked white jeans with a little underbooty.

Ariel Winter butt selfie
photo: Instagram/@arielwinter

Even though she was wearing pants, Winter refused to pass on a belfie opp.

5

Bella Thorne and Winter basically share the same belfie-loving brain.

Bella Thorne butt selfie 2017
photo: Instagram/@bellathorne

Underbooty (and white jeans?) for the win.

6

This year, Kim Kardashian used a belfie to send her birthday wishes to Kanye West.

Kim Kardashian butt selfie 2017
photo: Instagram/@kimkardashian

"Almost your birthday" she wrote on Instagram in June, sharing this booty shot.

7

Danielle Brooks' "look back at it" belfie Boomerang was pure flames.

Thick.

A post shared by Danielle Brooks (@daniebb3) on

"Thick," the "Orange Is The New Black" actress captioned the clip.

8

Hunter McGrady used her Sports Illustrated belfie to send an important message about body love.

Hunter McGrady butt selfie 2017
photo: Instagram/@huntermcgrady

"I have a roll where my thigh and stomach meet and that's OK," the plus-size model wrote in March. "I have a crease where my back naturally folds and that's OK. It doesn't make me any less beautiful."

9

Iskra Lawrence, too, posted a belfie with a cause.

Iskra Lawrence butt selfie
photo: Instagram/@iskra

"Just your lil daily reminder that respect does not = amount of clothes you wear," the model wrote on Instagram. "Respect = being human. Nuff said."

10

Lawrence also used a butt selfie to show some love to Christian Siriano  — a designer who's never afraid to dress booty-baring influencers.

Iskra in Cristian Siriano
photo: Instagram/@iskra

Siriano designed Lawrence's shiny, perfectly-fitting gown.

11

Kylie Jenner posted yet another butt selfie to remind the world that "Juicy" is back.

Kylie Jenner butt selfie
photo: Instagram/@kyliejenner

Peak 2017 (and 2007).

12

Jordyn Woods hopped on this year's belfie trend.

Jordyn Woods butt selfie
photo: Instagram/@jordynwoods

She, too, wore a velour tracksuit like her bestie.

13

Demi Lovato let her booty steal the spotlight this Halloween.

Demi Lovato's cop Halloween costume
photo: Instagram/@ddlovato

*Checks pulse*

14

Mariah Carey is basically a butt selfie legend.

Mariah Carey look back at it butt beflie
photo: Instagram

(And she wore Rihanna's Fenty x Puma for her belfie, no less!)

15

Denise Bidot's backside was Insta-worthy.

Denise Bidot
photo: Instagram/@denisebidot

Last year, the model went viral for posting a photo that showed off the stretch marks on her belly, but this year's belfie also deserves allllllll the "likes."

16

There was ZERO shame in Tess Holliday's belfie game.

Tess Holliday butt selfie
photo: Instagram/@tessholliday

"I get comments like this on the daily: 'Ew no one wants to see that,' she revealed on Instagram. "Wait... what? So because I’m a mom, I have to hide my body? Y’all know how babies are made right?????" 

17

Amber Rose turned a photo opp with Paris Hilton into a fire belfie.

Amber Rose butt selfie
photo: Instagram/@amberrose

Name a more perfect duo. I'll wait.

18

Bella Thorne decided to gift Instagram with another belfie (and a ~mysterious~ side-eye). 

Bella Thorne butt selfie 2017
photo: Instagram/@bellathorne

Look back at it.

19

Of course, Cardi B — the queen of 2017 —  delivered some belfie action.

Cardi B butt selfie
photo: Instagram/@iamcardi

*Bows down*

20

And Ashley Graham capped this bootylicious year with an unretouched belfie for Vogue Italia.

Ashley Graham for Vogue Italia
photo: Instagram/@theashleygraham

Everyone knows the year simply can't come to an end without a rear-end.