ANGELINA Jolie’s son Pax has stunned fans with how grown up he looks as he stepped out solo at Sundance Film Festival. The Mr and Mrs Smith star’s son often avoids the spotlight, making occasional appearances at big events. Pax, 22, was photographed at a screening of the film Self Custody during the Park City, Utah, event. Pax appeared in good spirits during the outing, smiling in photos and chatting with those connected to the film. Pax was adopted by Angelina in 2007 when he was 3 years old.