The Friendship problem

"Okay, so when are we heading to Twilight's castle?" asked Rarity smirking. "We're going right now," and just as Fluttershy said the last words, Rarity's and Fluttershy's cutie marks started glowing. "Oh, I think we need to solve a friendship problem today! I thought we would go to Canterlot and have a great time," said Rarity as she looked at her cutie mark frowningly. Read this story to find out more!...