Tirora

Tirora is the femslash ship between Aurora and Tiana from the Disney fandom.

Canon
As Aurora and Tiana are from different series, they have never met in canon.

While the Disney crossover film that serves as the Wreck-It Ralph squeal, Ralph Breaks the Internet, has online versions of the two known as "netizens", the inhabitants of the digital made world that lies within the real-life internet. Where they are two of the fourteen Disney Princesses that from the expo-like Disney website, Oh My Disney.

Similarities and comparisons

 * They both were the victims of curses.
 * They both appear as Disney Cameo characters in Ralph Breaks the Internet.
 * Both of their names end with an "A".

Fanon
There is a chance that the ship began the release of Ralph Breaks the Internet, or during one of its trailers when it showed Tiana hiding behind Aurora while clutching onto her arm as they asked Vanellope if see too had a curse placed on her.