Cupcakes - The Movie

Pinkie looked up at Rarity.

"I thought we were friends? I invite you to stay and give you a cupcake, and what do you in return? SLAP ME IN THE FACE! That one was even a special one just for one of my friends!" Pinkie was angry.
The pink element of ~~s~~laughter got a nail and stabbed into Rarity's hoof, making her cry a little bit.
"Now I need to make sure you don't do that again, Rarity." Pinkie said sternly, her mane slowly re-fluffing.

Then, suddenly..