The three finalists advance to the final stage of the competition. There will be live dancing and show-stopping performances as the night kicks off with a high-energy opening number, featuring a reunion of all 12 of this season's couples.The finale will be filled with performances from Pitbull, who will perform "Messin' Around," Aloe Blacc, performing "Let the Games Begin," and Fifth Harmony, performing "Flex." Fleur East will perform "Sax" as Kim Fields and Sasha Farber dance with the "Dancing with the Stars" female pro dancers. Additionally, brothers Maksim and Valentin Chmerkovskiy will give the fans a sneak peek of the sensational dance show they will be performing across America over the summer: Maks & Val Live On Tour: Our Way.In the last element of competition, the couples will perform a new routine as part of a "24-Hour Fusion Challenge." The remaining couples will fuse two contrasting dance styles, and they'll have less than 24 hours to prepare that dance for judges' points. The votes from May 16 and May 23 will be combined along with the judges' points from both weeks and the "24-Hour Fusion Challenge" to determine the winner. At the end of the night, a champion will be named, and the winner will be presented with the coveted Mirrorball trophy.