IS THAT KATE MCKINON OR JUSTIN BIEBER?

I bet you can't get any of these right.
  1. Guess.
  2. Go on. Guess.
  3. Ok, this has to be Kate. Right?
  4. Real stumper.
  5. Hard to say for sure.
  6. Woof.
  7. I mean, his name is on this one. That's him, right?!
  8. You'll never know.