Talk:Princess Cadance/@comment-4958713-20160330183829

http://www.equestriadaily.com/2016/03/amy-keating-rogers-explains-her-ideas.html

Amy Keating Rogers didn't write for the show anymore, but she offered her thoughts on the alicorn thing. Basically, Celestia and Luna were born Alicorns, and it had been so long between then and now that no one, including the princesses, thought it was even possible anymore.