The singer, 80, was married to the New Zealand model, 55, from 1990 until 2006 and they welcomed two children together - daughter Renee, 33, and son Liam, 30.
Rod Stewart and his wife Penny Lancaster soaked up the sun in Italy on Saturday as they went on a shopping spree. Sir Rod, 80, and Penny, 54, have been celebrating their 18th wedding anniversary.
The legendary singer, 80, and the model, 54, began dating in 1999 before becoming engaged in Paris in 2005 and marrying in the medieval monastery La Cervara in Portofino in 2007.