Angelina Jolie and Brad Pitt – with children Maddox, 5, Shiloh, 7 months, and Zahara, who turns 2 on Jan. 8 – gather in Cambodia together in November. "Having three children and watching them influence each other is so beautiful to me," Jolie tells PEOPLE. "I'm just so blessed that's my family. As a mom, I just want more kids – I'm having a great time." [People]