From Julianne Hough's 'Crazy Eyes' blunder to Matt Lauer's terrifying Pam Anderson, these are some of the worst celebrity Halloween costume offenses ever committed.
When a fight between Lady Gaga and celebrity blogger Perez Hilton played out on Twitter, it went from bitchy to creepy REAL fast.
The drama has been unfolding for days but hit a new level of crazy on Sunday afternoon that lasted into the night.