Verified answer

I highly recommend Polyvore. Sometimes people make sets based on what celebs wear, so you can search around and take a look at those. They also have an "Ask" section. It works like Yahoo! Answers. People give really good style advice. Just mention you want an outfit like Kim K and the budget you have, and people will help you out. I am there a lot myself. :)

Also, take a look at sites like Lookbook.nu and Chictopia. The people on these sites dress really stylish. They can give you some good ideas.

For affordable, cute clothes, the stores/sites I recommend are:

Forever 21

H&M

JCPenney

GoJane

Urban OG

Pacsun

Love Culture

Charlotte Russe

Lulu's

Modcloth

Hope this helps you a bit! :D