TMZ Speculates on Justin Bieber and Miley Cyrus Interaction ... Relationship?

The signs are there ... flirting, partying, sexual energy ... but now there might be PROOF Miley and Justin are more than friends!

On June 9, 2013, Justin Bieber beelined toward Miley Cyrus when he entered an LA club recently, and later Justin and Miley were caught bumping and grinding at the L.A. club. Miley insisted that nothing is going on between the two singers, but the two left the club together.

Both are rebounding after long on-again, off-again relationships. TMZ experts believe something is going on.