Nicole Kidman revealed to W Magazine how a feature in her bathroom has kept her marriage with Keith Urban, both 57, strong almost two decades on from when they tied the knot in Sydney, Australia.

The Golden Globe winner married the country singer in June 2006. The couple are the parents of daughters Sunday, 16, and Faith, 13.

Maintaining a relationship for 18 years cannot be easy. Nicole Kidman also has the difficulty of having a very tight schedule due to the length of her filming. Even so, the Hollywo