Hit the video to watch Prince William and Kate Middleton's big day, courtesy of ABC's Good Morning America. As we previously reported, Robin Roberts will begin the coverage live at 4/3c from Westminster Abbey, before handing off to Diane Sawyer and Barbara Walters, who will anchor the wedding. The wedding begins at 4/3c. Also keep in mind that TV Guide.com's Robyn Ross will be live-tweeting the royal wedding via our official Twitter account. Then, Kathy Griffin and TV Guide Network will recap the big event with Kathy Griffin's Insightful and Hilarious Take on the Royal Wedding at 8/7c.