Once upon a time, in a small town called Ponyville, lived a partying leader who went by the name of Pinkie Pie. She was an evil ruler not to be crossed, and you always followed her commands, even if you didn't want to, for fear of being executed. She had a loyal servant called Rainbow Dash, who followed all orders made by the Princess without hesitation happily. It had always been this way, parties were thrown by the evil princess nearly everyday, until......Now...

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"Rainbow Dash!!!! Where are you!?!?!" A cheerful voice echoed through the hallways of the crystal castle, when another sound was added, the sound of running.

"Yes, Princess Pinkie? What can I do for..you?" A more raspy, and tired, voice asked while panting.

"Schedule a party for tomorrow, I ran out of my special ingredient and need more! You know the drill!" Pinkie commanded.

"Oh course your highness!" Rainbow Dash replied as she gave a slight bow, then began trotting through the crystallized hallways to get to her quarters to make posters to hang around town for the party.  

"Perfect!" Pinkie said in a cheerful tone, then began the walk to her favorite dress designers home.

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"Miss Rarity!? Are you here?!" Pinkie asked as she threw open the door to Carousel Boutique.

"Oh! Princess? Here I am!" A posh voice responded as a white unicorn hurried down the stairs."What can I do for you?"

"I need a gown for a party tomorrow!" She commanded.

"Oh how exciting! I simply adore your parties!" Rarity then cleared her throat in embarrassment for floating off topic."Anyway, I actually have a dress ready for you that I never had the chance to give you. Here, try this on!" Rarity then led the Party Princess to a dressing room and pushed her inside.

When Pinkie re entered the room moments later, wearing a gown that looked fit for a crystal pony.

"Oh Rarity! This is perfect! You've really outdone yourself this time! I'll take it!"

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After Pinkie payed for the gown, she began her trot home, but the whole way way given dirty looks by all the ponies she passed, but the one who seemed most peeved, was a grey pegasus with cross eyes.'Talk about a grumpy town!' Pinkie thought with a small giggle.

Upon making her return to the castle, Pinkie found her servant in her room, reading a book."Ah, Princess you've returned! What's in the bag?" Rainbow asked, motioning to the small bag on Pinkie's back.

"Just a dress for tomorrow, I want to look nice! By the way, did you pick out a 'guest' for tomorrow?"

"Yes, a unicorn by the name of Lyra. She has a mint green coat and a green mane with white highlights."

"Okie Dokie then! Thanks for the help!"

"No problem your Highness!" The Party Princess then disappeared in the corridors of the crystal castle.

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After the princess left, the rainbow maned pegasus stood from her chair, and walked out to her balcony, slowly."I hope....I hope that...The town keeps its rage hidden for a while longer." Rainbow Dash said aloud, knowing that she would always serve her Highness, but she knew the city was in rage by the Princess. Would they be able to hold in their rage? Or would a war start?"No, the ponies of this town are too frightened by her to try something like that. However, there are a few brave ones, who knows?" Rainbow continued, then fell silent, as she peered over the railing, thinking of the fun she had and still has with the Princess. The Princess of Party.

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The day finally came to be, and it was once again, the day Pinkie was throwing another party. "Well, guess I should go and prepare for the fun!" Pinkie said cheerfully, but was showing an evil grin.

After getting dressed, she hopped down the staircase to see a crowd of ponies in the royal ballroom."Well, guess I slept in later than I thought!" Pinkie told herself. When she reached the bottom of the stairs she was greeted by Rainbow Dash, who was also wearing a gown.

"You look nice! Who designed your dress!?" Pinkie asked in surprise.

"My friend Fluttershy. If I'm not mistaken, she works here. A castle guard I think?" Rainbow responded in question.

"I do recognize the name, you're probably right. Anyway, did you take care of the 'guest'."  Pinkie finished in a whisper.

"Yep, she's waiting for you." Rainbow replied equally as quiet.  

"Great! I'll see to it later. Anyhow, we should have some fun for now, let's go!" Pinkie commanded, and for the rest of the party, the two mares stuck together like glue,  talking to other mares or colts, until the party came to an end.

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Pinkie had removed her dress and ventured to the secret basement of the castle. The trap door had been placed in Rainbow's room so she could one, make sure nopony found it, and two, come help if Pinkie needed it.

"Huh, Rainbow Dash? What's going on?" Lyra stuttered as she awoke, trying to see through the darkness, but failed. Suddenly, a wicked laugh echoed through the darkness, bouncing off the concrete walls.

"Rainbow Dash isn't here silly!" Another laugh,"Just yours truly, Princess Pinkie Pie!"

"Oh no.." Was all Lyra could say, as she held wide, terrified, eyes.

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"Dash!!"

"Yes Princess Pinkie?"

"Want to help me bake a few cupcakes?" Pinkie asked trotting out of the basement.

"Sure, but you need to clean that blood off of your hooves. Just use my bathroom." Rainbow said motioning to a door beside her wardrobe, then taking the metal bucket from Pinkie and took it to the kitchen to help prepare the new tasty treats!