If you’re a designer who’s just launched a blockbuster handbag—the kind that’s been snapped up by celebrities like Halle Berry and Jennifer Lawrence—you’re probably not content to rest on your laurels. Rebecca Minkoff launched the Morning After Bag in 2005, and while it quickly became a staple for the young Hollywood set, Rebecca wanted more. She’s since branched out into shoes, apparel, even perfume, all designed to appeal to a rock-and-roll bohemian aesthetic. This week we talk to Rebecca about working with family, growing past a signature product, and why we should all be more fearless.