Angelina Jolie and Brad Pitt welcomed Knox Jolie-Pitt and his twin sister Vivienne in July 2008. Here's everything to know about Angelina Jolie and Brad Pitt's youngest son, Knox Jolie-Pitt.

Angelina Jolie recently made a stunning appearance on the red carpet of the Governors Award alongside her son Knox.

Pitt is Angelina Jolie and Brad Pitt's youngest son and one of their six children. He has a twin sister, Vivienne, and four other siblings, Maddox, Pax, Zahara, and Shiloh. Knox Jolie-Pitt recently made an unexpected red-carpet appearance,