Jessica Alba, Michelle Williams, Jennifer Lawrence, Elizabeth Banks, Rachel Weisz
Credit: Joe Schildhorn /BFAnyc/Sipa, Adam Pretty/Getty Images, CL / Splash News, Phil Loftus/Capital Pictures/AdMedia, Anthony Behar/Sipa Press

Our favorite outfits of the week—pulled from our Look of the Day top picks—are all about vibrant colors and megawatt shine. Our standouts: Jessica Alba in a sequin DVF sheath, Michelle Williams in an asymmetrical Valentino design, Jennifer Lawrence in gold lamé Prabal Gurung, Elizabeth Banks in a sunny Bill Blass creation, and Rachel Weisz in floral Jason Wu. Which one is your favorite? Vote in the poll below and let us know!