While a designer handbag certainly packs a statement accessory punch, these celebrities kick it up a notch with a double dose of brights. We've spotted Jessica Alba carrying an emerald-toned Bulgari Serpente shoulder bag, Nicole Richie showing off an oversized lemon-hued YSL Dome satchel, and Katie Holmes with her bold red Clare Vivier messenger bag. By adding a colorful carryall to the mix, you'll reap the benefits of an instantly spiced-up off-duty look. Take notes from Mandy Moore, Rosie Huntington-Whiteley, and Sienna Miller — each stylish lady found a happy balance between a neutral effortless ensemble and a vibrant bag. For even more prismatic sightings, just click through to see which celebs are sporting colorful sidekicks, and make sure to shop your favorites at the end of the slideshow.