Rod Stewart and his wife Penny Lancaster celebrated his daughter Kimberley's 40th birthday with his three ex wives Rachel Hunter, Kelly Emberg and Kimberly's mom Alana Stewart. Emberg shared a photo of the singer and the mothers of seven of his eight children on Instagram, writing to Kimberley: “Can’t believe you are 40! You looked radiant last night! A mother’s reunion!” Lots of beautiful women in Rod's life!