Need ideas on what to wear to my sadies hawkin dance?

me and my friends decided to be paris hilton, nicole ritchie and lindsey lohan. i wanted chose to be lindsey. But i dont know what to wear to be kind of like her. Like i want to wear the same style as she does. I want to know if u can find pics of her wearing clothes that i can wear.when i see a pic of her it looks like she wears stuff from forever 21