Ashlee Simpson made a stop in Chicago for her mini promotional tour last night with scruffy Pete right by her side. You guys were pretty split on liking Ashlee's first single, but now we've got another track off the new album for you to sample. The song is called "Little Miss Obsessive" and features Tom Higgenson, the lead singer of Plain White T's. Give it a listen and tell us what you think — love it or leave it?