Hilary Swank proudly showed off her baby bump on Instagram on Sunday.The Million Dollar Baby actress, 48, gave fans a look at her growing stomach ahead of the birth of her twins with husband Philip Schneider, 45.For the photo, the beauty stood in her kitchen and turned to show off the size of her growing bump.She stayed comfortable, sporting a black sports bra, black leggings, and a grey robe.The P.S. I Love You star also wore a pair of tan moccasins and flashed a wide grin at the camera.