So what is a Baby "Sitter Session" exactly? Sitter sessions are for babies that are able to sit up steadily on their own :) This is usually around 6-9 months old and it truly is an amazing age to capture! At his age babies are full of fun and you really get to discover their growing personalities. Investing in quality portraits is the perfect way to capture these fleeting moments and you will cherish these memories for years to come. As we all hear so often, they grow up too