You are free to use this image in a cap/story if you wish. If you want to and don't have a story in mind, here is something to help get you started:

Emma Stone transformed into a stone. Simple as that. Everything else is up to you, such as if you want her to end up in the ocean behind her

The image(s) used don't belong to me and I will remove this post at the behest of the copyright owner(s). I claim no ownership of the image(s).