Nicole Kidman announced some long-awaited news on Friday – and she is definitely her own best advertisement.The Big Little Lies star looked gorgeous in a promo video for her new venture with CBD brand SeraLabs.MORE: Keith Urban shares moving rare photo of daughters and wife Nicole KidmanNicole became the Global Brand Ambassador and Strategic Business Partner for the health, beauty and wellness firm's new line, Seratopical Revolution in December.WATCH: Nicole Kidman shares new trailer for Nine