"Jennifer’s a friend of mine, she’s a beautiful, beautiful character," he tells OK!. "She was perfect to be a part of Oprah’s Big Give because that’s her personality — she’s a beautiful, giving person. It was lovely to have her involved, to have a friend be involved in the same show as me, and she comes along to one of the shows to pat the winners on the back."
The two became fast friends years ago when the actress invited Jamie, 32, to cook for then-hubby Brad Pitt's birthday party after seeing him on TV. And speaking of television, Jamie adds that what you see is what you get with the 39-year-old Emmy winner.
"She’s the same in real life as everyone thinks she is on telly, you know?" he says.