If you are a big fan of Katy Perry and would love to dress up as your favourite singer, then check out for some cool Katy Perry costumes below. The first one is Katy Perry costume candy girl for children which includes a dress with a white top that has candy and flower designs, wide pink shoulder straps, and a pink, white and blue paneled skirt. There is also adult sie available for this Katy Perry candy girl costume. If you love her song “Roar” then you can dress up with Princess of the Jungle costume. There is also Katy Perry California Gurl cupcake costume, Whipped Cream costume and Last Friday Night costume. What a cool costume to wear for costume party such as Halloween. Great for any Katy Perry fanatics.