La Cervara, Italy, in an intimate ceremony. And Penny Lancaster was the proud stepmother on Tuesday as she shared a sweet snap with her husband Sir Rod Stewart's three oldest daughters while holidaying in Portofino. Taking to her Instagram account, the model, 51, shared the stunning image of herself including, Kimberly, 42, Ruby, 35, and Renee, 30, while they sat on a path of steps in the Italian city.