THE CLASSIC Known for her clean, minimal style, Jennifer Aniston puts her own spin on the strapless sheath in this sparkling Armani at a premiere in Sydney. THE COVER-UP Forget a conservative wrap Rachel Bilson gives some edge to her sweet chiffon Dolce & Gabbana dress with her tough but trendy cropped leather jacket at a screening in New York. THE MINI If you've got it, flaunt it! Mischa Barton gets the max out of her shimmering Bebe mini at the Teen Choice Awards in L.A. THE SEQUINED SHIFT Diane Kruger (in Chloe) shows how to make long sleeves sexy with a healthy dose of sequins and a high hemline at a fashion event in New York. THE ONE SHOULDER Like a modern-day goddess, Jessica Biel gives the LBD the cold shoulder in her draped Miss Davenporte frock at an L.A. premiere.