Guess The 'Sweet but Psycho' Singer In This NSFW Sexy Selfie!

Can you guess which Hollywood hottie put her bare bod on full display in this eye-popping shot?! It's Friday, and boy oh boy, do we have a sweet treat for you:

This gal from Milwaukee, Wisconsin has put out some bangers -- "Kings & Queens" and "My Head & My Heart" really take things to the max!

"Oh she's sweet but a psycho, a little bit psycho!"