His cheeky grin says it all!

Orlando Bloom and Katy Perry landed at LAX last night after having quite the sexy time on vacation in Italy, and the couple had the actor's son Flynn in tow. We guess it must be serious, because the Pirates of the Carribean star's ex Miranda Kerr previously stated that they weren't going to introduce their kid to romantic partners until it was the real deal.

Photographers peppered the pair with questions about those now famous naked paddle boarding pics, and the British hunk couldn't resist flashing a huge smile. We would too, if the whole world was talking about how well endowed we were!

The Internet has been going wild comparing Orly's package to Justin Bieber's, but KP's man seems pretty confident he won the war of the weens!