Demi Moore has a close relationship with her ex-husband Bruce Willis and his wife Emma Heming, and had the sweetest thing to say about the model on International Women's Day on Monday.MORE: Demi Moore looks incredibly youthful in new photo inside home - fans reactTaking to Instagram, the Hollywood star shared a series of pictures of Emma, including one of her with her two young daughters Mabel and Evelyn, and wrote a lengthy message about their close bond.