Michelle Rodriguez's ex-girlfriend Cara Delevingne and "Roar" singer Katy Perry both made news lately as they donned similar pizza onesie during their separate outings. This prompted reports that the supermodel and the singer is on a pizza fashion showdown.

"The two stars have been spotted wearing the exact same pizza jumpsuit within a week. It's official. We have ourselves a pizza showdown," E! Online said.

The 22-year-old British supermodel landed in London early morning through a private jet sporting the hilarious pepperoni ensemble with close gal pals including and Bradley Cooper's beau Suki Waterhouse.

Michelle Rodriguez's ex-girlfriend Cara Delevingne was captured donning the onesie that was zipped up all the way up covering her entire face.

Though her face was covered by her cheesy jumpsuit, the "Fast & The Furious 7" actress' Michelle Rodriguez's ex-girlfriend was still recognizable because of her tattooed finger and a Mulberry bag, which she endorses.

The model also walked the streets of London while wearing the funny piece along with best gal pal, actress Jaime Winstone.

Cara Delevingne's pal Jaime Winstone also looked bubbly and quirky with her oversized leopard shirt and multi-colored baggy trousers. She paired her ensemble with a purple baseball cap.

Michelle Rodriguez's ex-girlfriend Cara Delevingne recently spent her birthday celebration with friends in Ibiza, Spain.

Also last week, Cara Delevingne sported a pizza-themed outfit when she wore a pizza box clutch while leaving the Chiltern Firehouse in London.

On the other hand, "Roar" singer Katy Perry was the first who rocked the same pizza onesie in Philadelphia museum after her concert to meet her fans

The "Thinking of You" pop star also wore a pepperoni pizza swimsuit in her recent "This Is How We Do" music video, the Hollywood Life said. She paired her swimwear with an eye-catching pizza slice earrings while singing on a reclining chair.

Katy Perry's "This Is How We Do" single is from her fourth studio album Prism.