Did Cara Delevingne Break Up Michelle Rodriguez & Zac Efron?!

Cara Delevingne Broke Up Michelle Rodriguez Zac Efron
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One of summer's hottest romances has ended — and it could be Cara Delevingne's fault. 

Zac Efron, 26, and Michelle Rodriguez, 36, split earlier this week, and new sources claim that the British supermodel could be the cause. Allegedly, Rodriguez could not stop talking about her ex-girlfriend and good friend Delevingne. E! News reports the 22-year-old model also joined Efron and Rodriguez on a romantic yacht cruise in Ibiza, and the Neighbors heartthrob did not appreciate the third wheel. 

"Cara was always being mentioned," a source told the site. "Cara would spend time on the same boat and Cara and Michelle have all the same friends. It was just a lot. It was always, 'Cara, Cara, Cara.'"

In fact, just hours after news broke that she had split from Efron, Rodriguez was spotted with her model ex-girlfriend. The two gal-pals hung out at New York City's Mercer Hotel. 

"They are clearly best friends and they have never stopped talking to each other," a source said. "Michelle is very mature. She wants everyone to be happy."

However, Rodriguez might be feeling just a tad bit nostalgic for her hot-and-heavy summer romance with Zac Efron. She took to Instagram to post a picture of her hand with a red heart drawn on the palm. The caption read: "Unconditional state of mind."