WEEK OF October 5, 2009 Leather shorts, floor length gowns, harem pants and beaded mini dresses - this week's best dressed celebs went wild over fall's hottest trends. From Rachel's Ferragamo gown to Rihanna's Balmain blazer, we're dying to get our hands on their dirty laundry! Click on each image below to find out what they were wearing and where!   Rachel Bilson Emma Watson Sienna Miller Whitney Port Rihanna