(Story idea suggested by OmniFox.) The Apple Family hosts a very special dinner during a family reunion where each member brings a special guest. The guests include: Grand Pear, Sugar Belle, Rara, and Diamond Tiara.
(Takes place after "Marks for Effort".) Diamond Tiara meets two students from Twilight's School of Friendship while trying to sneak onto the property. The conversation soon turns to things like friends and family, and all will have things to say.
(Rated Teen to be safe.) Cheerilee decides to turn herself into a foal, so her students will have hoofs on experience taking care of one. But are her students up to the task of caring for their foalified teacher?
When Starlight Glimmer feels left out as everypony else spends time with their little sisters, she seeks somepony of her own to bond with: Diamond Tiara. And apparently, they share a lot more in common than either of them realized.
Takes place in the background of "A Hearth's Warming Tail". Apple Bloom tries to comfort Diamond Tiara when her parents don't show up for the Hearth's Warming Eve party at Twilight's castle. Before long, the two friends start to talk about family.
Starlight Glimmer is still feeling guilty about what she's done, and what she tried to do. But a visit from a reformed bully will help her to learn more about herself, and about forgiveness.
Diamond Tiara runs away from home without her tiara, and moves into Carousel Boutique, much to Rarity and Sweetie Belle's surprise. Later, when Diamond is kidnapped by the diamond dogs, an unexpected pony comes to her rescue.
Takes place after "Crusaders of The Lost Mark" but before "The Mane Attraction". When Filthy Rich gets called out of town, Scootaloo agrees to let Diamond Tiara come to her home for a sleepover. The two soon learn just how much they have in common.
Nopony should bottle up their feelings. Sometimes, all a pony needs to do is talk with their friends. Sometimes, all a pony needs to do is pretend someone's listening. So, Diamond Tiara hides in her room, writing away her troubles with letters.
Diamond Tiara's father made a promise to get his daughter any one gift she desires for her Birthday. But when eyes are set on something priceless, it seems as if she may not get what she wants. Unless, she accepts an offer she can't refuse.