Chelsea Kane and Hines Ward each scored 59 points out of 60 for their two dances on Monday's episode. Fellow finalist Kirstie Alley finished with 54 points.
Each will perform one final dance on Tuesday, when a new "Dancing" champ will be crowned.
Judges' scores are combined with viewer votes to determine where the celebrity dancers rank. Viewers can cast five votes each.
Kane, a Disney Channel star, and Ward, who was named most valuable player at the Super Bowl in 2006, each earned a perfect score of 30 for their freestyle dances. They each collected 29 points for their judges' choice dances: Samba for her and quickstep for him.
Alley earned 27 points for each of her routines: A samba and a freestyle that she performed in a black bodysuit that revealed her leaner figure.