If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Katy is a famous popstar with many beautiful dresses. Give her a complete new look in this game. Start with her hair and make-up. Then choose a number of clothes. The dresses can change colour. Choose some nice bracelets and necklaves and your new Katy Perry is done. You can show her with many different backgrounds. Have fun.