It's a universal truth that everyone loves pizza -- even celebrities.

But not everybody loves their pizza the same way, so we set out to ask stars a deeply personal, revealing question: What's your favorite pizza topping?

Here's what we found out.

Allison Williams

What kind of pizza does this

What kind of pizza does this "Girls" star love? Allison Williams prefers to keep it simple with just cheese.

"I'm plain Jane. Don't mess with a perfect thing, you know?"

(Credit: Getty Images / Andrew H. Walker)

Flo Rida

If Flo Rida and his shawty (who wears

If Flo Rida and his shawty (who wears Apple Bottom jeans and the boots with the fur, of course) are ordering in a pizza, what's going to be on top of it?

He hardly had to think about his favorite when quizzed outside the MTA VMAs this year: "Pepperoni!"

(Credit: Getty Images for Macy's / Slaven Vlasic)

Chance the Rapper

Chance the Rapper was in town to perform

Chance the Rapper was in town to perform at the Meadows Music & Arts Festival at Citi Field in Queens, so we hope he grabbed a slice of New York pizza while he was around -- complete with pepperoni, of course.

"I have the same favorite as Flo Rida?" he asked at the VMAs this summer. "We're kindred spirits!"

(Credit: Getty Images / AFP / Angela Weiss)

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Ilana Glazer

Forget the veggies, Ilana Glazer of Broad City

Forget the veggies, Ilana Glazer of Broad City is all about meat on her pizza. So it was no surprise she first went to the most popular celebrity topping, pepperoni.

But she's not afraid to mix it up, meat-wise.

"Maybe meatball," she added.

(Credit: Getty Images for Tribeca Film Festival / Brad Barket)

Abbi Jacobson

Abbi Jacobson is a pizza purist: just tomatoes,

Abbi Jacobson is a pizza purist: just tomatoes, fresh mozzarella and a little basil.

"I don't usually do toppings ... I like Margherita," she said at the Tribeca Film Festival this year.

But luckily for her partner-in-comedy, Ilana Glazer, who likes a little meat on her pizza, Jacobson is open to some toppings.

"I do like a pepperoni every once in a while," she said.

(Credit: Getty Images for Tribeca Film Festival / Brad Barket)