The Replacement Letters

Dear Celestia

What kind of fool do you take me for? Luna's an alicorn, Cadence is an alicorn, you're an alicorn, I'M AN ALICORN! Are there any other alicorns I should know about?

Twilight Sparkle

PS: Those darn pests of Fluttershy's tried to eat Rainbow Dash, good thing they don't know how to make fire.