Trend Spotting: Pizza Print Obsession!

While Katy Perry's pizza-print onesie certainly got her a lot of attention in Philadelphia Tuesday, she's far from the only pizza-obsessed celebrity. From Beyonce to Cara Delevingne, check out these stars who wear their pizza love on their sleeve ... literally.

Always the trendsetter, Beyonce wore this pizza-print top and pants ensemble while having lunch with Jay Z in Los Angeles on December 4, 2013.

Model Cara Delevingne showed off her quirky fashion sense with this pizza box clutch in London on August 6.

Katy Perry wore a pizza-print swimsuit and matching pizza slice earrings for her latest music video This Is How We Do.

She later reaffirmed her love for pizza with this pepperoni pizza onesie at the Philadelphia Museum of Art on August 5, 2014.

"You are what you eat," Victoria Justice posted on Instagram on June 24.

Shay Mitchell proudly displayed her pizza necklace on Instagram in April.