Nicole Kidman is honoring who she owes it all to! In light of Mother's Day, the star took to Instagram to share a sweet tribute to her mother, Janelle Ann Kidman.MORE: Keith Urban teases move to UK with wife Nicole KidmanThe actress delighted fans with a never-before-seen throwback, which sees her as a baby in the beaches of Hawai'i with her mom.Though she famously hails from Australia, she was actually born in Honolulu while her parents – her mom being a nursing instructor and her dad, Antony Kidman, a biochemist and psychologist – were living temporarily in the US.WATCH: Nicole star's in Apple TV's RoarMORE: Nicole Kidman sparks wave of worry from fans with new on-set photosThe image proves just where the Being the Ricardos actress gets her stunning looks and iconic red hair from.In it, Janelle appears sitting on a white sand beach, with palm trees towering over her, clad in a brown and blue bikini, and a straw hat. She's holding baby Nicole, whose red locks are already starting to grow.The doting mom captioned the heartfelt tribute with: "Reminiscing… wonderful memories with my mumma back in #Hawaii.