WEEK OF October 27, 2009 What's black and blue and hot all over? This week's five best dressed celebrities! From Alexa Chung's Versace mini dress to Anne Hathaway's Marc Jacobs' ruffle number, the hottest colors of the week are definitely black and blue! Click on each image below to find out what they were wearing and where!   Gwen Stefani Alexa Chung Anne Hathaway Diane Kruger Amanda Seyfried