This socialite turned fashion designer and her rocker hubby, Joel Madden, welcomed their first child, Harlow Winter Kate, on Jan. 11, 2008, when she was 26 years old. "Everything I do, I think about how it will benefit her or hurt her. She's never out of my mind. I stop doing things for me anymore," the former party girl told People at the time. The stylish couple welcomed their second child, a boy named Sparrow James Midnight, on Sept. 9, 2009.