Katy Parrot is a bird version of Katy Perry. She guest stars in The Secret Love Story of Angry Birds along with Justin Biebird when they come to Birdinton to have a big concert. Ikki seems to have a crush on her and even has a shrine dedicated to her. Wow! And rumor has it the Britney Spears version of Angry Birds is coming very soon, named Birdney Spears. Maybe the next version of Angry Birds is coming? Angry Birds Pop Star?