Miley Cyrus' boyfriend caught in loving embrace with girl in Mexico

How can you be dating one of the most famous women in the world and flirt openly with another woman? So Miley Cyrus boyfriend Patrick Schwarzenegger was caught getting very close to a bikini-clad girl in Cabo San Lucas, Mexico on Sunday and when the photos hit the net, he had the nerve to say she's his best friend's girlfriend...lol. Same way Simon Cowell impregnated his friend's wife. *yawn*. See more photos and what he tweeted in his defense after the cut...

And he was pictured kissing her navel...