• Singer Miley Cyrus arrives at the 2015 Vanity Fair Oscar Party in Beverly Hills, California February 22, 2015.

Singer Miley Cyrus arrives at the 2015 Vanity Fair Oscar Party in Beverly Hills, California February 22, 2015. (Photo : REUTERS/Danny Moloshok)

And the plot thickens! Maria Shriver, the mother of Patrick Schwarzenegger and the former first lady of California, reportedly called out on her son's behavior regarding cheating on her girlfriend Miley Cyrus with another girl named Natalie while enjoying the Spring Break in Cabo, Mexico.

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Pictures surfaced on the internet showing Schwarzenegger getting too close and handsy with Natalie while partying with her at the beach. Due to this, he was under fire for cheating on Cyrus and his mom is upset over what he has done.

According to Hollywood Life, Shriver called out her son on being silly and knowing better about being in the public eye. The source close to Shriver said that Schwarzenegger is saying that he did not do anything wrong but his mother cannot understand why he did not think about being in the media due to what he did.

Also, the source shares that although Shriver did not initially like Cyrus for her son, she came into good terms with the "Wrecking Ball" singer and she could not understand why her son would act foolishly and throw their relationship away due to carelessness. The source added that Shriver knows Schwarzenegger loves Cyrus that is why she is very baffled over the fact that he acted inappropriately with another woman.

Meanwhile, it i's not just Shriver who is disappointed and baffled over the photos of Schwarzenegger. As Daily Mail reported, the fans of Cyrus sent death threats to him due to the cheating allegations. The fans sent messages on his social networking site such as threatening him to run for his life if he comes back to Los Angeles.

Although reports emerged that Cyrus already broke up with Schwarzenegger and that her friends are saying she should leave him for good, the threats keep coming to the 21-year-old model.