Sir Rod Stewart’s wife, Penny Lancaster, recently posted a stunning photo on Instagram, featuring herself with their two sons, Alastair and Aiden, as they were on their way to a wedding. Fans commented that one of the boys bears a striking resemblance to his father. Sir Rod Stewart’s wife, Penny Lancaster, recently shared a stunning picture on Instagram, posing with her two sons, Alastair and Aiden. The trio was heading to the wedding of Rod’s son, Liam Stewart, 29, and his fiancée, Nicole Artukovich. Penny beamed alongside her sons, sharing their excitement for the family event. She captioned…