It's true! Sources who've seen the photos confirm exclusively to Life & Style that Angelina Jolie really did pose for the cover story of W magazine while breast-feeding!

"Angelina posed for Brad [Pitt] in one of the photos while breast-feeding," the source reveals to Life & Style. "It's really beautiful and tastefully done."

"The photos are amazing," adds a second source.

Brad shot the photos in mid-August at Chateau Miraval, the family's home in the South of France. They're scheduled to appear in W's November issue, hitting newsstands on Oct. 21.