She has denied all rumors of a brief romance with Justin Bieber before his reconciliation with Selena Gomez, but model Shanina Shaik isn't keeping quiet about one other shocking celebrity couple-Zac Efron and Michelle Rodriguez.

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The 23-year-old spent time with the shocking couple around the same time she was linked to Bieber while partying in Ibiza-and she told The Daily Mail that despite how confusing they seem to be to fans, the couple is absolutely adorable together.

"I love Michelle, she's a really nice person who has great spirit and energy," she said. "She's a total bad-ass on the big screen and in real life she'll tell you, she's very honest. Hanging with her and Zac, they're very cute. They seem really happy together."

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The two have been shocking fans and critics alike since going public in Sardinia over the July 4th weekend. They have since been seen partying together both there and Ibiza, and have been caught in extreme PDA situations.

However, at the moment the two are currently apart once again, as Efron is back in Los Angeles, working on his new film, We Are Your Friends. He was spotted on an intense run on the drama's set August 19, though it's unclear if he was filming a scene or between takes.

Rodriguez meanwhile, has been in Marbella Spain, where she is continuing her extensive European party holiday. Marbella is just her latest stop on a trip that has included visits to Sardinia, Ibiza and Ireland.

Tags: Michelle Rodriguez Zac Efron