My Little Pony: Friendship is Magic - Image #292,333

Twilight: wow… that's just… I've never seen something like that.
Pinkie: Oh please. Really, never?
Tw: Yeah, it's just… wow.
Pin: don't exaggerate, silly.
Tw: I tell you, this is the first time I see a pony standing in her rears hooves like that.

The source link is up there on the right-hand side of the picture.
It's not tiarawhy, and this is actually a sequel to this:

This could get saucy…