Home Zahara Jolie-Pitt and Knox Jolie-Pitt goof around while their sister goes to a martial arts class in Los Angeles on Monday, Dec. 10, 2018.<br>(Photo by 4CRNS, SL, Terma / BACKGRID) Zahara Jolie-Pitt and Knox Jolie-Pitt goof around while their sister goes to a martial arts class in Los Angeles on Monday, Dec. 10, 2018.<br>(Photo by 4CRNS, SL, Terma / BACKGRID)

Zahara Jolie-Pitt and Knox Jolie-Pitt goof around while their sister goes to a martial arts class in Los Angeles on Monday, Dec. 10, 2018.
(Photo by 4CRNS, SL, Terma / BACKGRID)

Zahara Jolie-Pitt and Knox Jolie-Pitt goof around while their sister goes to a martial arts class in Los Angeles on Monday, Dec. 10, 2018.<br>(Photo by 4CRNS, SL, Terma / BACKGRID)
Zahara Jolie-Pitt and Knox Jolie-Pitt goof around while their sister goes to a martial arts class in Los Angeles on Monday, Dec. 10, 2018.<br>(Photo by 4CRNS, SL, Terma / BACKGRID)