Looks like the answer is, she gets fucked! And fucked a lot in many different ways at that!
Thanks for enlightening us as to what my favorite princess does on this joyous holiday, hexado! With this knowledge now imparted upon us, we can venture forth unto the next challenge with enlightened minds and engorged loins!
Artist: hexado (https://www.derpibooru.org/tags/artist-colon-hexado)