Nicole Kidman has “a very normal life”. The Oscar-winning actress – who is married to music star Keith Urban – has revealed that she’s looking forward to returning to her family home in Nashville after she finishes promoting ‘The Perfect Couple’, her new mystery drama series. Nicole – who has Sunday, 16, and Faith, 13, with Keith, as well as Isabella, 31, and Connor, 29, with ex-husband Tom Cruise – told ‘Extra’: “I have a very normal life. “I’m right now going, ‘Yes, I’ll be at the parent-teacher [conference] tomorrow night.'” Nicole, 57, stars alongside Liev Schreiber in ‘The Perfect Couple’…