Has a new bromance between Zac Efron and Robert Pattinson been blossoming?

The two Hollywood stars were seen Tuesday night (July 22) outside Pinz Bowling Centre in LA, appearing to be…having a ball.

[related]Efron, who has been recently seen spending a lot of time with rumoured lady love, Michelle Rodriguez, made some time for a hunky man-date which also included The Lying Game actor Ryan Rottman.

It’s no surprise the Bad Neighbours and Maps To The Stars actors have become pals: Both have the shared experience of being teen heartthrobs and have sought roles for a more mature audience. Plus, they practically have matching ensembles. A recipe for true friendship.

We can't wait to see more from ZefPatz! Or should it PatzFron? Watch this space…