Sounds great, but I saw the video on my iphone, and shared it before accidentally deleting it. Is there a way to get it back, even though it was on my iphone? I

Sounds great, but I saw the video on my iphone, and shared it before accidentally deleting it. Is there a way to get it back, even though it was on my iphone? I am so sad to have lost that touching video! Also, why has facebook not allowed people to regenerate it if deleted? thanks :)