Angelina Jolie and Brad Pitt take son Pax to his home country in Vietnam

By Rachael Wheeler 11/11/2011

Brad Pitt produces a somewhat thin-lipped smile in Vietnam

When youre a celebrity, going on holiday generally involves stopping off at about 17 countries for various breaks on the way to your final destination. For Rihanna, this means hiring a yacht and partying in pretty much every city in Europe, but for Brad Pitt and Angelina Jolie, it means taking a detour to one of the home countries of their adopted children.

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Following their family trip to