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Patrick Schwarzenegger, Miley Cyrus, Spring Break

Clasos.com.mx / Splash News, Getty Images

Hopefully, this will put all the cheating rumors to rest.

Following lots of drama surrounding Patrick Schwarzenegger's Spring Break antics with a mystery girl in Cabo San Lucas, E! News has learned that Miley Cyrus actually knows the lady in question! In fact, they've been pals from quite some time.

"They've known each other for well over a year," a source tells E! News of Miley and the brunette, whose name is Natalie. "They've definitely hung out before—they're part of the same group of friends. They've hung out a lot."

Miley Cyrus

Ric Tapia/EduStarts /Splash

Miley and Natalie have even been photographed together. The 22-year-old "We Can't Stop" singer attended a USC football game with Natalie and other friends back in November.

Earlier this week, Patrick had fans buzzing when photos of him hugging Natalie on the beach in Mexico hit the web. Afterwards, a source told E! News that the 21-year-old hunk was "devastated" by all the media stories suggesting he was being unfaithful to his pop star girlfriend.

Patrick Schwarzenegger

Clasos.com.mx / Splash News

He also tweeted, "Omg. It's one of my best friends girlfriend...Would NEVER do anything against my GF….Girls have guy friends and guys have friends that are girls…"

Meanwhile, Miley stepped out Monday night to catch Dane Cook's comedy show at The Laugh Factory in L.A. with a group of friends. "I thought she had the time of her life," owner Jamie Masada revealed to E! News exclusively. "She was having a great time and she really enjoyed it. If she did have something going on with Patrick, you could not tell because she was laughing so hard."

—Reporting by Sara Kitnick