Katy Perry says her outrageous dresses have expiration date

Singer Katy Perry has said she will have to cut down on outrageous fashion choices, which have previously included outfits styling her even as a cake and a Christmas tree.

The "Firework" singer is known for her crazy dress sense -- appearing in costumes including a dress shaped like a cake, one styled as a Christmas tree and others adorned with fruits, die and holes, as well as many latex dresses -- but she accepts she will one day be too old to wear such wild clothes, reports people.com.

"They have an expiration date and that's why I'm wearing them now at 25. I'm such a sucker for a theme, so if I go somewhere like Las Vegas, I'll dress like Vegas! Or if it's Christmas time, I'll dress like Mrs. Claus," she said.

"I've always been girly - even though I was a tomboy. My mother said when I was a kid, I was changing for breakfast, lunch and dinner. I don't make it a big deal, I just do it," she added.