I recently had an interview for a part time job, and thought it'd be great to share what I wore. I think interview attire is tricky... Mine was a casual interview, so I didn't have to wear a suit or anything. If you're wondering what to wear to your interview, just don't think too hard. :)
plain black cardigan from Gap
color block shirt from Ann Taylor
black dress pants from Ann Taylor
shoes are Clark's Wallabees