'The greatest thing you'll ever learn is just to love and be loved in return': Nicole Kidman posts a gushing tribute to her husband Keith Urban on Valentine's Day By Daily Mail Australia Reporter Published: 22:06 GMT, 14 February 2019 | Updated: 22:10 GMT, 14 February 2019 Viewcomments Theirs is one of the strongest marriages in Hollywood. And Nicole Kidman professed her undying love for her husband Keith Urban on Valentine's Day, Thursday. The Big Little Lies star posted a picture of the happy couple at the Golden Globe Awards this year. 'The greatest thing you'll ever learn is just to love and be loved in return': Nicole Kidman posts a gushing tribute to her husband Keith Urban on Valentine's Day In the picture, the ex-wife of Tom Cruise is seen holding the country singer's hand as she wore a skintight ruby red sequined gown. The quote she used was from her hit film Moulin Rouge: 'The greatest thing you'll ever learn is just to love and be loved in return.' Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility