This is my new favourite picture. Not only because there’s the four of them or a new type of food (mmm, tacos), but because Cadance is really enjoying herself. And the book, implying that Twilight read about how to be at a taco night dinner, thus she’s wearing the sombrero to look the part.
Soft Taco Night
http://dm29.deviantart.com/art/Soft-Taco-Night-454212164