To put it mildly, Justin Bieber's transition to adulthood has not gone very smoothly from a PR standpoint. Now, more attention goes to analyzing his downfall than his music. It's like every other headline about the pop star further establishes him as an entitled, egotistical, delinquent brat. And his fellow celebrities have taken notice. Here are some A-listers who may hate Biebs as much as (or more than) you do.