It was a beautiful day in Equestria. Rainbow Dash, Applejack, and Rarity were sitting at a restaurant having lunch.

Applejack: Well, thanks you two for helping out at my farm.
Rainbow Dash: No problem.
Rarity: There was no problem for me either, except for...
Applejack: Yes?
Rarity: Dirt.
Rainbow Dash: That's nothing to worry about. Besides, if you get it on you, you can just wash it off.
Applejack: I'm surprised you didn't wear that farming outfit you made when Trenderhoof was visiting.
Rarity: Oh yeah, about that...

Yesterday at Carousel...