Charlize Theron has formed a close friendship with Angelina Jolie.

The 'Mad Max: Fury Road' actress, who is rumoured to be engaged to Sean Penn, has reportedly forged a friendship with her fellow Oscar winner after being introduced by the 'Maleficent' star's husband Brad Pitt.

A source said: "The guys have been tight for years and ever since Sean and Charlize became serious they've been spending a lot of time together as a foursome."

Like Angelina, South African-born Charlize, who has adopted three-year-old son Jackson, is involved in a lot of charity work and deeply respects the 39-year-old actress for raising six children, Maddox, 13, Pax, 11, Zahara, 10, Shiloh, eight and six-year-old twins Knox and Vivienne.

The insider told US OK! magazine: "The girls realised that they have a very similar outlook on life and quickly bonded over everything from their adopted children to their prospective Hollywood projects."

Charlize Theron (

The duo are even hoping to work together on 'Captain Marvel', the comic giant's upcoming first female-led superhero film.

The source said: "Marvel has been courting Angie to direct the project and Charlize is a clear fan favourite for the starring role. If Charlize were to get the part, Angie would almost certainly sign on to work with her new pal."