Happy birthday! Anna! Today is Anna's birthday, her sister Elsa and dear friend Ariel plan to hold a birthday party for her. Elsa is in charge of cooking a delicious birthday cake, Ariel needs to decorate the party room. Finally, let's put on a beautiful dress. That is great! Everything is perfect! Let's start a crazy party!Do you know today is Anna's birthday, her sister Elsa and dear friend Ariel plan to hold a birthday party for her. Elsa is in charge of cooking a delicious birthday cake, Ariel needs to decorate the party room. Finally, let's put on a beautiful dress. Much fun! Join now and have fun!