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A prank to the princess

Luna sits down and opens the bottle, sniffing it. “Besides, it smells quite sweet. I might as well use it now.” She dips her hoof in the cream and spreads it on her face. Instantly, her mane loses its sparkle and becomes dull purple, as well as her body starts shrinking and her eyes become much larger. Applejack gasps. “Luna’s a filly?!”