Wow, I see this question all the time, and I answer it all the same.
KH1, in Neverland, you see Riku POed. He wants to find a usable heart (the whole point he was after Pinnochio) for Kairi. Kairi lost her heart, but being a princess of heart, did not turn physically into a heartless.
Sig and Avy made my me!!!Brawl FC is 3394-4531-4018