Everyone knows the celebs shine brightest in L.A. (when there is not mild air pollution) … however there’s loads of thunder down beneath — can guess you who this Aussie stud is?

We caught up with this singer-swimmer-actor at LAX, and once we requested him if he’d be keen on shopping for a suspiciously phallus-shaped home down in Sydney — he described the home as an architectural “breakthrough” — he mentioned he’d should seize it …