Brad Pitt & Pax Land in Sydney for 'World War Z' Promo!

Brad Pitt hops off a private jet with his son Pax after landing down under on Sunday (June 9) in Sydney, Australia.

The 49-year-old actor carried one of his bags off the plane while Pax, 9, held onto a large purple teddy bear.

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Brad is in Sydney with his son to attend the Australian premiere of his new film World War Z, which opens in that country on June 20.

15+ pictures inside of Brad Pitt and Pax landing in Australia…