In these Katy Perry costume pictures, fans of the beautiful 'California Gurls' singer can see some of her wackiest, most daring and skimpiest stage outfits. Next to her vocal skills, Katy Perry is best known for her wild and playful personality.

The singer is not afraid of having fun with her wardrobe, and she makes this clear by rocking all kinds of ornate costumes on stage. In the past, Perry has dressed up as a sexy football player, a soldier, a German beer girl and a ticket stub -- and none of these were even on Halloween! However, Perry does like to dress up for the holidays, especially for Christmas. Take a look at these pictures of Katy Perry's costumes and let us know which one you think looks the best on the songstress.