Miley Cyrus, Liam Hemsworth Break Up After MTV VMA twerking performance? [VIDEO] "I'm F***** Up" Says Former Disney Star; Are Miley's Issues Too Much For Hunger Games Fiance Liam?

Miley Cyrus Liam Hemsworth Break Up? Miley Cyrus MTV VMA twerking performance humiliated fiancé Liam Hemsworth and might cause a Miley Cyrus Liam Hemsworth break up. Miley Cyrus' raunchy VMA twerking performance of twerking teddy bears will live in infamy, and it sounds like her fiancé Hunger Games actor Liam Hemsworth is not happy about it.

The planned marriage between Miley Cyrus and Liam Hemsworth had already been the subject of break up rumors, with the two appearing separately much of the time and living apart, as Miley went out without her engagement ring.

Liam Hemsworth was recently spotted in London without his fiancé Miley Cyrus, sparking rumors of a break up.  He is reported to be hanging out with his brother.

Miley Cyrus spoke to the Sunday People about her life and it sounds like she might be struggling with issues that make relationships difficult:

"I'm messed up. I have so many fucking issues. I am so fucked up - everyone does dumb stuff when they are messed up. I don't have a normal life. I take a hiatus every now and again but I'm not good at that.

All I do is work, so I eat to live and to keep going. People are impressed with me ­because I can sleep for just 45 minutes - I'm used to it. I suppose I am a workhorse. I love being in the studio and when I take vacation I get so bored. I think of work as something I have to do. I've made a record so I have to promote it so I have to work to get it done - and then pass out. Because I work so much, I'm always on the road so I eat healthily. I have to give my body what it needs to keep going and if you don't then you will crash and burn. I love soda, but I haven't had one since I've been here in the UK. If I have a Coke I'm going to be 'Aaargh!' and in an hour I'll crash. I don't get to work out. I do yoga and 30 push-ups every day and try to get my mind right."

"I've never been able to hide anything, a bit like Justin Bieber. Others who have been on kids' shows try to act like their characters - but I'm not like that. I never pretended I was as good as the Disney Channel writes. I don't wear bright-coloured T-shirts and talk like this all the time. You will be amazed at some of the notes I got. Parents wrote in with messages ­saying things like, 'I can't believe she spoke to her dad like that' or 'I can't believe she wore that shirt' or 'I can't believe the lead actress has boobs'. It's crazy. But they can't make ­people not grow up."

In addition to her purported issues, Miley Cyrus and Liam Hemsworth reportedly had a fight the night of the Miley Cyrus MTV VMA twerking performance, according to a source for Hollywood Life: "Miley and Liam had an argument the day of the show. She was really upset and she took it all out onstage, so the performance got even crazier than they had planned because Miley was really amped up."

"When she fights with Liam, she acts out and gets even more rebellious, and that came out on stage, but she's not sorry.  She made a big impact and that was the goal. She did warn Liam that the show was going to be wild but even she didn't know just how wild it was going to be."

Watch Miley Cyrus MTV VMA Twerking Video Here:

A source told Radar Online Liam Hemsworth's feelings about fiancé Miley Cyrus' VMA twerking performance, and the possibility of a Miley Cyrus Liam Hemsworth break up: "Liam really does care about Miley, but her racy new look and sort of ghetto attitude isn't exactly what he signed up for."

"Her VMA performance absolutely mortified him and he couldn't be more embarrassed. He doesn't really see anything sexy about what she did on stage."

"It's not just Liam that Miley is pushing away...his entire team is urging him to part ways with her because she's nothing but negative for his reputation and career."

"Liam is a serious actor with a growing career, while Miley has just turned into a joke."

"It's pretty much over. He knows he can't stay with her when this is who she's become."

"He doesn't want to babysit her anymore. He has to move on."

Liam Hemsworth did not attend the VMAs with fiancée Miley Cyrus.  According to Hollywood Life, Miley didn't want him there: "Miley knew her performance was going to be outside his comfort zone and she didn't want to be worrying about him in the audience and how he was going to react."

"The whole thing was just another day of work for her, she wants her album to be number one and that means promoting the hell out of it."

"Liam's family is very conservative, so she knows they won't approve of her performance."

"She had to make a decision when she started all of this, is she going to shape her career to please Liam and his family? Or is she going to be the artist she wants to be?"

"She loves Liam and she wants to make him happy but it does seem pretty clear that her own career is the most important thing to her right now and what's wrong with that?"