There are many colored contact lenses that katie holmes wears. However, the green colored contact lenses are her most favorite ones which make her whole character show out fully. If you like such color of contact lenses, you could just go to the online stores to have a buy because the price there is suitable and the quality there is good.
You need to know wearing colored cosmetic contact lenses is a quite normal phenomenon to those celebrities. They want to everything about them looks perfect, they need to use cosmetic lenses to match their makeup and clothes.
Buying colored cosmetic lenses is not hard task, on the contrary, it's pretty easy.
Almost all the glasses stores provide cosmetic lenses, and some cosmetic salon sell colored lenses. By the way, you can buy colored lenses online, and this is the most convenient way.
Well, it seems that you are quite interested in the eyes that katie holmes has, so as a matter of fact, that American celebrity has got a pair of brown eyes, which is suitable for her. And generally speaking, she does not wear contact lenses at all. But since you like those eyes, I recommend that you try to get a pair of brown lenses at an optical store or from the internet.