When Rarity visits Canterlot Boutique to show Sassy Saddles her new summer line, she's surprised to find that Sassy is quite a bit larger than she remembered. As it turns out, Canterlot Boutique's success is keeping Sassy very well-fed, and she's even kind enough to let Rarity share in her spoils.

This is a terrible, terrible mistake.

Contains: Fat ponies, overeating, loss of self-control.