By Selena Hill (staff@latinospost.com) | First Posted: Mar 13, 2013 04:13 PM EDT

Drama and trust issues may have caused celebrity couple Miley Cyrus and Liam Hemsworth to split.

A new report by Us Weekly reveals that the couple had "the worst fight of their relationship" and can't seem to recover, according to inside sources.

"The Hunger Games" actor proposed to the former "Disney" star last May, however recent rumors that Liam was unfaithful to Miley and cheated with model/actress January Jones is tearing the couple apart. "They do love each other, but they also like to create drama in their relationship," said an inside source.

Liam and January were spotted in a car together during an Oscars after party.  While he has insisted that the party was nothing and that "everyone was just drunk and being silly," Miley wasn't convinced.  "They both get jealous and feed into it," the source explains.

Out of spite, insiders say that Miley has purposely went out without her 3.5-carat Neil Lane engagement ring on March 6.  That same day she tweeted that rumors that she canceled her wedding is bogus and that she's sick of all the "lies."

"I am so sick of La. And sick of the lies that come with it. I didn't call off my wedding. Taking a break from social media. #draining," she posted.

However, the next day she went partying with Liam's friend Paul Khoury without wearing her wing, again. "They love to push each other's buttons," says the source.

In addition, Liam has departed to Australia in order to escape the drama and for a moment of clarity, say sources, where he has also been spotted out ringless. A friend tells Us that he and Miley are trying to work things out. "Miley and Liam are talking," he says. "But he needed a beat."

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