Saint Petersburg, Russia-based photographer Andy Prokh has captured photos of his daughter Katherine growing up with her British Shorthair cat, named LiLu Blue Royal Lada. Andy Prokh, the father and photographer of these adorable shots, said that Katherine and LiLu have “lived their whole lives together. I like to take photos of them because I love them both and I’ve always believed a photographer must love what he shoots.”

To see more adorable pictures of Katherine and Lilu, click here.