How much butt trivia do you know? Here are some facts about your behind that you probably didn't know, along with some other famous butts in pop culture. Check out the list below for some fresh facts:

1. Society is very obsessed with butts.

2. Kim Kardashian has x-rays of her butt to prove they are real

So, no implants?

3. Jennifer Lopez may or may not have insured her butt for $27 million

What do you think?

4. Women with big butts give birth to smarter kids

According to this study. that is.

5. Turtles can breathe through their butts. (not all)

Some can eat pizza too. Ninja Turtles, that is.

6. Mooning may have come about back in 14th century China

Is one butt cheek one moon?

7. The hairs around your anus is there so you can pass gas SILENTLY

Please, no sound!!

8. Women have bigger butts than men

The reason for that is estrogen stores fat in the buttocks.

9. Apparently, women live longer due to the extra butt fat

10. Does that mean Keeping Up With the Kardashians will be running much longer than we thought?

Probably.

Oh well..

11. Or if Nicki Minaj will continue doing this until 50?

Let's hope not..

12. Or if Jennifer Lopez will make another horrible World Cup song in 40 years time?

Please, no.

13. Giving compliments to a woman's butt is the best body part to flatter

Why, thank you!