Brad Pitt has praised Angelina Jolie for donating her time and money to good causes.

The actor, who is reportedly dating Jolie, thinks that the Tomb Raider star's charity work is "staggering".

"Angelina contributes staggering amounts of money - staggering amounts," he explained. "In fact, she probably makes money so she can give more away. That seems to be more her concern than films."

Pitt added that trips to Africa to visit Aids victims have changed his outlook on life.

"I don't know how I can't [change] now, seeing what I've seen," Pitt said. "It makes all the sense in the world to me."