For Lauren Schwab and Marissa Vosper, being negative isn't bad if it means rejecting everything you don't like about something, and keeping only the things you do.  For them this meant creating a line of intimates that ditched the uncomfortable designs, silly frills and embarrassing advertising, and became a cult-favorite line of lingerie.  In this episode of Beauty Bosses, Dr. Lara Devgan talks with Lauren and Marissa about how it took four years to become an overnight success, selling out of the their best-selling product ten times, and why confidence is the key to beauty.