Poop Smearing and Disco

Sunday night, while Sophie was having her "potty sit" and I was hanging out with her in the bathroom, I heard this:

Ava: I have poo poo too.

KC: You do?  Did you poop?

Ava: I HAVE POO POO!!!!

Then I hear the unmistakable thwrip of diaper tabs being torn open followed by some yelling and scuffling about by KC and Michael (our friend who's the lucky house guest that got to witness the smearing).  Then I see Ava's 2-year-old tush pass by, covered in poop, as KC tries to wrestle her to the changing table.  Then I hear this:

KC: Don't touch it.

(Some complaining by Ava.)

KC: Don't put your hands in it!

He cleans her up and they head back into the living room.  Then I hear this:

Michael: I think she' might have smeared some on the chair.

KC: EEEEWW!!!

Then I went in and cleaned up the chair, KC put Sophie to bed and I tried to put Ava to bed in her new toddler bed.  Her initial excitement turned to panic and I had to retrieve her about 30 seconds after I left her room. She wouldn't go to sleep,  stripped off her PJs and then this happened: