, and topped their big win with an engagement!Wednesday night's finale saw the three remaining pairs — including Will and James, brothers Riley and Maddison McKibbin, and married couple Hung Nguyen and Chee Lee — return to the US for a race across New Orleans that came to an end at the Superdome.Will and James took an early lead and then just kept going strong until crossing the finish line, where they were declared the winners.In a moment of pure joy — and excellent reality TV — Will dropped