Cosmopolitan chats with Issa Rae about her new "Braeve" Collection with fine jeweler Cast, what she has to say to haters, what's next in fashion, and her creative process.

Cast is embarking on its biggest celebrity partnership three years after its launch. The San Francisco-based fine jewelry brand is joining forces with actress, writer and producer Issa Rae on a long-term partnership that kicks off Tuesday with Rae's first jewelry collaboration.