Nicole Kidman marked more than one celebration on Sunday – not only was it her birthday, but it was Father's Day too.MORE: Keith Urban shares moving rare photo of daughters and wife Nicole KidmanThe Undoing star made sure to mark the special occasion on Instagram with a heartfelt tribute to both her late father, and her husband Keith Urban.The Hollywood actress posted a never-before-seen picture of herself embracing Keith outside in a field. VIDEO: Nicole Kidman and daughters Sunday and Faith