Day 4: HELP ME! I CAN'T STOP BUYING COLLECTIBLES!!!

I've bought two MLP-related collectibles in the span of less than a week.

I think I may have a problem...

My complete MLP collection:
(from right to left)
The Uber Pre-Alicorn-Princess Twilight Sparkle, Master of all Plushies,
The Princess of Derp, Princess Derps (Derpy Hooves)
and, introducing...
CHIBI PLASTIC PRINCESS OF ULTIMATE ADORBS, FLUTTERSHY!