This week: Rihanna covers the new issue of Vogue ahead of the Met Gala and the release of Oceans 8 and the launch of her lingerie line. How has she built her empire and what is her leadership style? Then, the working challenges of working mothers as Rachel McAdams is back at work after having a baby. And generating work through social media as Busy Philipps and Leslie Jones explore new opportunities. Finally... are "lady assassins" the new Hollywood trend?