What is going on with my hammie?

Okay just so we are clear, my hamster is acting perfectly normal, he tail is dry, and she has bright eyes and so forth. I woke up this morning and her entire back looked wet though, I figured she had just gotten on the water bottle and when I touched her she felt dry. Anyways she came out of her igloo hours later and still looks like a wet met, her hair is messy and looks like it has been stuck together with water or something. Could she have rolled in her pee? Is there anything I can do to help her look fluffy again? What is going on?