Scientists estimate as many as 15 million people have at least one food allergy, so it's no surprise that our favorite celebs are part of that number. Find out which star is allergic to mushrooms, tree nuts, shellfish, chocolate, and coffee--and which performer won't be having pizza ever again.
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The Father of the Bride actor is reportedly allergic to shellfish. According to FARE, more than 6.5 million people are also have shellfish allergies.