Kate Beckinsale, Jennifer Aniston, Rihanna, Michelle Williams, Jessica Chastain
Credit: Getty Images (2); AFF-USA; StartraksPhoto (2)

Our favorite outfits of the week—pulled from our Look of the Day top picks—are all about sexy draping, vibrant colors, and prints that pop. Our standouts: Kate Beckinsale in hot pink Alexander McQueen, Jennifer Aniston in floral Chanel, Rihanna in sultry silk Stella McCartney, Michelle Williams in mod striped Kenzo, and Jessica Chastain in lace-paneled Elie Saab. Which one is your favorite? Vote in the poll below and let us know!