If a loaf of sliced, store bought bread gets partly squished, will it fluff back up on its own?

I am very annoyed at myself. I bought two loaves of raisin bread at the store today. In a rush, pouring rain, when I packed the bags into my car I put bottled water on top of the soft raisin bread. When I got home and realized what I did, both loaves were partially squished.

Will they fluff back up on their own? If not, is there anything I can do to save them?