She arrived simply dressed, and her costume was the hit of the evening as we all took turns guessing her Halloween Self! The guesses were funny, rude, adult, and finally accurate. What was she? 

Well you'll need one of these. White Body Suit. 

and you'll need one of these: Clear rain suit. 

And some white shoes...  

And finally... one of these: a blue (or purple) visor. 

And with that, your Halloween costume is complete. So, what are you???!!! Put your guess in the comments, and I'll add the answer later this week!