The 50-year-old daytime host, Ellen DeGeneres announced during a taping of her show that she and the 35-year-old former Ally McBeal star are planning to swap vows in the episode scheduled to air later. Studio audience members greeted Ellen's news with thunderous applause and a standing ovation as De Rossi watched from the sidelines after the California Supreme Court striking down a state law banning gay marriage. The video of her announcement can be watched below.