Kaia Gerber and Lewis Pullman are "so in love". The 24-year-old model and Lewis, 33, have built a strong foundation for their burgeoning romance. A source told People: "Kaia and Lewis are the real deal and so in love." Kaia is the daughter of model Cindy Crawford and businessman Rande Gerber, while Lewis is the son of actor Bill Pullman and dancer Tamara Hurwitz. Lewis is so kind and gentle towards Kaia, he gets along with all her friends and is so loving."