Two can play at this game!

Miley Cyrus gave a surprise performance at the SXSW music festival on Thursday, and the singer was accompanied by her rumored former flame/producer Mike Will Made It. It seems this might be the songstress' way of giving boyfriend Patrick Scwarzenegger a little payback for getting cozy with multiple girls in Cabo while on spring break!

Arnold's son was able to explain away the first girl he was pictured embracing ( and doing body shots off! ) by revealing she was his best friend's girlfriend, but today photos surfaced of him getting too close for comfort with his ex-girlfriend Taylor Burns. The USC student obviously pays no mind to the fact camera phones are a cheating guy's worst enemy!

Now that the frat boy is back from his wild vacation, though, he's coming to his senses and realizing how badly he might have screwed up his relationship with his pop princess lady love. "He doesn't even know what to do with himself and just wants to hide from the world. He's had some of his friends around for support, but he's very down and upset. He hasn't cracked a smile or been able to think about anything except Miley. He's so embarrassed and knows he screwed up," a source dished to E! News.

We have a feeling the twerking queen is going to give their romance the wrecking ball when she gets back to L.A.!