Celebrities are not perfect, they are human and like any other human being they also develop wrinkles. Many of them get the aid of cosmetic treatments to look young forever but there are others that can’t or don’t want to hide those expression lines.
Above Lisa Kudrow shows wrinkles on her neck and eyelids and below Sally Field’s picture shows the wrinkles that she has developed in her neck. I think this lines have accentuated after the excessive weight gain that she had to go through for her role on a movie.
You can click on the images to see them with more detail.