Hollywood superstars Brad Pitt and Angelina Jolie are planning four wedding celebrations. The celebrations will kick-start in Australia and will end with a lavish reception at their French estate, Chateau Miraval. The couple, who raise six children together, Maddox, 12, Pax, nine, Zahara, eight, Shiloh, seven, and five-year-old twins Knox and Vivienne, will kick-off their nuptials in Australia where Angelina is currently directing her new movie 'Unbroken'. According to a source, the couple, who got engaged in April 2011, will have their first party at Ayers