Brad Pitt: Sydney Boat Trip with Pax!

Brad Pitt flashes a smile and waves to photographers as he arrives at the Sydney Harbour Pier on Monday (June 10) in Sydney, Australia.

The 49-year-old actor was joined by his son Pax as they spent some quality father-son time together boarding a police boat to take them aboard a super yacht named, Ghost.

PHOTOS: Check out the latest pics of Brad Pitt

The day before, Brad attended the Australian premiere of his new film World War Z.

FYI: Brad is wearing a John Varvatos shirt.

10+ pictures inside of Brad Pitt and Pax at the Sydney Harbour Pier…