Minnie Driver, Kathleen Robertson throw a joint birthday party for their sons

Actress Minnie Driver celebrated her son Henry’s 4th birthday this past weekend at Kia Beach House in Malibu by throwing a joint birthday party with her friend, actress Kathleen Robertson. Look at Henry’s cute curls!

Hot mamas! Minnie’s son, Henry, and Kathleen’s son, William, both celebrated turning four by blowing out candles and devouring Baked By Melissa Cupcakes.