While exiting the Brentwood Country Mart, Jessica Alba showed off her latest colorful LA style by working a Genetic Denim vest with a white tee and fabulous printed pants. Her accessories of choice — mirrored sunglasses, a shiny silver Dolce & Gabbana purse, and colorblock peep-toe pumps — were equally snazzy. If you're looking for a new way to rock your denim vest, consider pairing it with bold bottoms, like this pair we love from Mango ($50) or these from Tibi ($300). For a more cozy version, swap the tee for a long-sleeved sweater and the pumps for boots.