American actor Angelina Jolie's son Maddox Jolie-Pitt is going to start a new chapter of his life and she couldn't be more proud.Jolie and Brad Pitt's eldest son, who turned 18 on Monday, will start classes at Yonsei University in Seoul, South Korea, in late August, reported E! News.A source told the outlet that the 'Eternals' actor is "very proud" of her 18-year-old son, who will be studying biochemistry at the university.According to People, Jolie will be dropping Maddox off at the university later this month to help her eldest child get situated at college."She will miss seeing him as much, but he's ready," an insider told People.Maddox's siblings including Pax, Zahara, Shiloh, Vivienne, and Knox will also surely miss their elder brother as he heads to college."He's very close to his siblings and they all hope to visit," the source shared with People.In 2017, Angelina opened up to E! News about Maddox working in the film industry after he served as an executive producer for the ...