- "My dad said it was a total disaster."
- —Mermista, in "The Sea Gate"
The First Princess Alliance, also dubbed as the Original Princess Alliance, was a group of princesses with magical powers in The Rebellion who were the original incarnation of the Princess Alliance.
- Perfuma: "Um, are you sure? Didn't that go horribly the first time?"
- Glimmer: "It went horribly for our parents. But we have a chance to do it right. We're clearly stronger together. Think what all the Princesses united could do."
- Flowers for She-Ra, minute 20:28
They were founded and led by Queen Angella and King Micah of Bright Moon and Mermista's father of Salineas. It is said that it went wrong, causing Perfuma and other princesses to be skeptical about joining the new Princess Alliance.
Both Spinnerella and Netossa were part of the previous Princess Alliance.
The alliance fell apart after the rebellion had a huge defeat, which made remaking the alliance and keeping the princesses in the alliance much harder for the new alliance.