The “Maleficent” star supported her and Brad Pitt’s son as he won the IKF Point Muay Thai Technical event on Friday.

Angelina Jolie supports son Knox, 17, after he wins his Muay Thai tournament on his birthday. The teenager celebrated his ...

The actress cheered on her son Knox at a Muay Thai competition - shortly before his 17th birthday, he even won the gold medal ...

Pitt, at his Muay Thai competition. Knox won the competition on his 17th birthday. Brad Pitt was absent from the celebration.

Knox Jolie looked so grown up as he headed to a training session in Los Angeles, just days after proving his skills at a Muay ...

Angelina Jolie's 16-year-old son, Knox, was photographed towering over the actress, 49, during a recent grocery run in Los Angeles.

Angelina Jolie’s youngest son, Knox, is all grown up. The 16-year-old towered over his mom during a grocery store trip in Los Feliz, Calif., Thursday, appearing to be the same height as dad Brad ...

Angelina Jolie recently came to watch her son Knox, whom she shares with ex-husband Brad Pitt, secure victory in a Muay Thai ...

Brad Pitt and Angelina Jolie's son Knox's 17th birthday kicked butt -- literally -- because he spent his big day winning a martial arts competition.

Angelina Jolie and Brad Pitt's strapping teenage son looked so much like his famous dad as he learned how to drive with mom ...