Rash

I have an 11 month old daughter, she developed this strange rash a few days ago and it comes and goes. When she woke up this morning the rash looks very weird, I took some pictures of it. Ive done oatmeal baths, baking soda baths, benadryl, and cortisone cream. It doesn't seem to bother her, she's sleeping fine,eating normal, playing as she usually would, and being her fun bright little self.