My Little Pony Facts on X: Celestia is actually Princess Celestia's last name, not her first name. Her first name, of course, is Princess. / X

Princess Cadence & the Angered Soul – The Detective Librarian

About Princess Celestia - My Little Pony Fun Facts

My Little Pony: The Journal of the Two Sisters: The Official Chronicles of Princesses Celestia and Luna (My Little Pony, Friendship Is Magic): Rogers, Amy Keating: 9780316282246: : Books

Equestria Daily - MLP Stuff!: 35 More Awesome Fanfics to Read for Celestia Day!

Equestria Daily - MLP Stuff!: Let's Review: Princess Celestia's Micro

Princess Celestia? Do You Have A Belly Button? - Fimfiction

The Death of Princess Luna (Fanfic) - TV Tropes

Why does Twilight look like Celestia? - Quora

My Little Porny: The Princesses of Equestria by Pervynamek02 -- Fur Affinity [dot] net

Pony ages in My Little Pony: Friendship Is Magic - Science Fiction & Fantasy Stack Exchange

A theory regarding Princess Luna (Spoilers) - MLP:FiM Canon Discussion - MLP Forums

Princess Celestia - My Little Wiki

Princess Celestia's School For Gifted Ponies RP - Everfree Roleplays - MLP Forums

Princess Celestia - My Little Wiki