Ariel and Odette - All the Right Moves

my first real crossover so be nice! And If your against their love pretend their best friends or don't watch it :D Story: Ariel and Odette are Best friends Odette gives Ariel a music box it is stolen by pirates and is lost at sea (which ursulla wanted) ursulla wants to take over the world and wants Ariel's crown and needs Ariel out of the way, she teams up with Rothbart who also wants to take over the world with Odette as his bride but she refuses so he needs to get rid of her too. Ursulla makes a deal with Ariel to turn into a mermaid to find her music box, if she doesn't find it in 3 days then she remains a mermaid forever. Meanwhile, Rothbart puts a spell on odette so in the day she is a swan. Ariel doesn't find her music box until after the 3rd day is up and Ariel is now a permanent mermaid so she tries to go find Odette. Rothbart uses his dark magic and kills Odette, Ariel finds that she is dead and Ursulla was part of it so she tries to attack her. But Ursulla zaps her with her new trition and kills Ariel. Ariel's dad Finds her and Odette dead and the music box playing their lost song...