Nicole Kidman and her family have been staying in Australia over the past few months and celebrated Easter Down Under over the weekend.MORE: Nicole Kidman stuns in sheer dress as she teases exciting news The Undoing star made sure that the day was made special for her daughters Sunday and Faith, and took to Instagram to share a glimpse into their day.The Hollywood star posted a picture from inside their New South Wales farmhouse, showing one of her pet cats, Ginger, playing with a colourful