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.
03 Steve Martin
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.
09 Kelly Clarkson
Singer Kelly Clarkson is allergic to peanuts. In addition to her food allergy, Clarkson is also allergic to dog hair and goldenrod. In 2013, she tweeted about being pricked 58 times during an allergy test.
10 Suze Orman
The host of her namesake show is allergic to eggs! According to the American College of Allergy, Asthma, and Immunology, most children who have egg allergies grow out of them by the time they're 16 years old.
05 Clay Aiken
In 2004, Kelly Clarkson dished about her fellow American Idol alum's long list of food allergies on Ellen. On that list: mushrooms, tree nuts, shellfish, chocolate, and coffee!
01 Halle Berry
Halle Berry is allergic to shellfish, so that means no shrimp at award show dinners! Despite being one of the most common food allergies, most allergic reactions that lead to hospitalization are caused by shellfish.
12 Jessica Simpson
The singer and fashion designer is allergic to cheese, tomatoes, and wheat. Unfortunately, that sounds like pizza is off limits for the 36-year-old.
04 Ray Romano
The Everybody Loves Raymond star can't have peanuts. Unlike egg allergies, children don't usually grow out of their peanut allergies!
08 Drew Barrymore
Child star Drew Barrymore avoids garlic and coffee. In addition, Barrymore is allergic to perfume and bee stings.
07 Victoria Beckham
Posh Spice happens to be allergic to dairy. She also has a gluten sensitivity.
02 Billy Bob Thornton
Billy Bob Thornton
The actor revealed he is allergic to wheat, eggs, and dairy. He also can't eat red meat.
11 Serena Williams
Tennis star Serena Williams is allergic to peanuts. While not allergic, she also avoids tomatoes and avocados.
06 Chelsea Clinton
The former first daughter is allergic to gluten. At her 2010 wedding, she and husband Marc Mezvinsky served a gluten-free cake.