At the Forbes Self-Made 250 Celebration, Jamie Kern Lima reflected on authenticity, self-belief and trusting your instincts when others don't see your vision.⁣ In conversation with Luisa Kroll, Forbes executive editor, the entrepreneur shared lessons from building IT Cosmetics into a billion-dollar brand after years of rejection and doubt.⁣⁣ :camera_with_flash:: Jamel Toppin for Forbes⁣⁣ #Forbes250