There's front-row style, and then, there's front-row style. Serving up a serious side of the latter, Marc Jacobs's Spring 2013 show lured in quite the lineup of chic starlets, supermodel friends, and fashion industry insiders. Yes, we're more than just a little pleased with this front-row turnout. Hailee Steinfeld, Alexa Chung, Rachel Zoe, and Rose Byrne all arrived in a colorfully quirky mix of the designer's pieces — a true testament to the wearability and eclectic range of fans Jacobs has accrued over the years. Anna Dello Russo wore one of our favorite Altuzarra Fall '12 dresses, Carine Roitfeld went the brights route with a whimsical day-glo fringe pencil skirt and electric green wedges, and Anna Wintour was spotted in her signature blend of proper prints. Click through for the complete front-row rundown, then tell us: who was most fab?