United Kingdom, July 29 -- 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."

The loved-up duo - who were first linked in early 2025 - are both children of well-known stars.

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.

The insider explained: "Cindy and Rande love them together and they feel he's a part of the family already.

"They feel as though they've been together for a lifetime. Lewis is so kind and gentle towards Kaia, he gets along with all her friends and is so...