pretty as a picture

Pretty as a picture is a phrase used to describe the level of attractiveness or someone or something. By saying it is pretty as a picture, it means it is so pretty or attractive to look at that it could make a good picture, painting or photograph. This cliche is very often used to describe a person who is pretty as a picture, but can also be for other things such as something in nature like a landscape or the ocean, or any other type of thing.