The French are the best !!! There is no debate BEST OF 1 !

Yeah, slap it between the eyes, look at it.

Oh, my God. There.

Hey, girls, you're asking a lot of me how do you do twerking or move your butt.

It's very easy, it's the contraction of the buttocks. I'll put you in your underwear so you can see.

That's when you flex your butt.