Julie must have taken excellent care of herself to reach 61 and still look so much like her daughter, who's half her age! You can see a few wrinkles here and there which give away which side of the photo is Julie and which side is Isabelle, but aside from that, they're a perfect match.
It's said that distinctive features such as freckles can run in the family, and we can see proof of that in this picture. Every facial feature is in the same place and has the same shape.