Rumors of a relationship between Brad Pitt, 48, and Angelina Jolie, 36, began during the filming of the movie Mr. & Mrs. Smith, while Brad was still married to Jennifer Aniston. One month after Aniston filed for divorce, in April of 2005, a series of photographs emerged of Brangelina on the beaches of Africa that seemed to confirm that the rumors were true. Eight months later, Pitt may not have proposed to his younger girlfriend, but he did adopt her two children Maddox, 10, and Zahara, 7, changing their last name to "Jolie-Pitt." Since then, the couple (pictured in Palm Springs, Calif., in January) adopted son Pax, 8, and have had three biological children together -- Shiloh, 5, and 3-year-old twins Knox and Vivienne. Age has never stood in the way of the couple, who, according to Jolie, has made the "greatest commitment you could possibly have" -- to start a family.