Bookplayer's 50 Questions (Mostly) About Ponies · 5:34am Apr 11th, 2014
My responses to: 50 Questions (mostly) about Ponies and Equestria!.
EDIT: I was surprised by this, I actually have more headcanon than I thought I did.
The Princesses:
1. How old are Celestia and Luna?
Celestia and Luna came along sometime between the founding of Equestria and the reign of Discord.
2. How old is Cadance?