Food poisoning! Ant infestations! Week-long flight delays!

The ghosts of (bad) Christmases past still haunt stars like Tori Spelling, Busy Philipps and Brian Williams. Below, they open up about their holiday horror stories:

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Howard Stern: "My wife, Beth, and I went to Turks and Caicos and our hotel room was infested with ants. They were crawling on our bed -- we had to leave!"

Tori Spelling: "One year, I bought snow for a winter wonderland party. But in the morning, it rained -- totally poured. All the ice melted, so we had mud instead. It was awful."

Brian Williams: "I was held up in high school while selling Christmas trees out of the back of a truck. The guy took my whole cash box!"

Shawn Johnson: "I got stuck in the Cincinnati airport for eight days with my mother one year. Fortunately, we made it home on Christmas Eve, just in time!"

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Busy Philipps: "My mother accidentally gave me food poisoning. She fed me baby carrots for a snack before Christmas dinner -- but they had expired in June! I threw up for the next 24 hours."

Can you one-up these celebrity tales of holiday disasters? Leave Us a comment with your story below!

This article originally appeared on Busy Philipps, Tori Spelling Share Their Holiday Horror Stories