After her return, Princess Luna realizes that her sister has become the biggest princess -or any form of nobility for that matter- in Equestria's history. She's going to use her artsy-fartsy to make sure it stays that way.
A prank is set for Luna to make her gain many pounds after snubbing the royal schedule advisor. Too bad a certain showmare set it off in her eagerness to become Luna's student.
Cheerilee tries some of Apple Bloom's new treats, and finds herself enjoying them. Her figure changes as a result of her enjoyment. (specifically a weight-gain story)