Well, I can see that you are very interested in the type of contact lenses that Natalie Portman wears in the movie, so it could actually make your eyes appear to be more attractive. So, generally speaking, that type of contacts are called crazy special contact lenses, which could give you desired effects and make you seem to be weird. You could see many of them at Amazon online store,or eBay
If have no idea where to go, you can search it in Google. You know, we can find almost everything from Google. Just searched it and i find there are some online shops who provide contact lenses that like black swan. Hope this can help you. Here are the websites: http://www.eyesbright.com/popular-themes/halloween-contact-lenses/black-swan-contact-lenses.aspx
The black and red contact lenses which look like the black swan will be so attractive and fashionable now. If you like such unique and special type, you could go to the amazon to have a search. There are many products there. You may pick such type. You just go there and find one. The price in the online store could be cheaper than those in the real stores.