Iggy Azalea, an Australian with terrible taste in pizza, got into a Twitter spat with Papa John's over the weekend after her delivery driver apparently gave out her phone number. It was quite an ordeal for everyone involved.

Which leads us to ask: What's the worst run-in you've ever had with a celebrity? Tell us who's a rude customer, an all-around asshole, or a weirdo—and who's a freak, a geek, or troll. Share your stories in the comments below; the best of the best will be featured in a post tomorrow.