Denise Duffield-Thomas poses after renewing her wedding vows with husband Mark for the 80th time at Knuckle Reef on November 7, 2010 in the Whitsunday Islands, Australia. Denise and Mark Duffield-Thomas are winners of 'The Ultimate Job - Honeymoon Testers' competition for Ireland's Runaway Bride and Groom. The couple visited Queensland on the last leg of the 12 month honeymoon promotion, testing wedding venues across the world. As part of the promotion the couple will attempt to break the World Guinness Record for the most wedding vow renewals by a couple, currently 83. By Mark Metcalfe/Getty Images.