They beat out Olympic gymnast Shawn Johnson and actress Kelly Monaco, along with their professional dance partners, for the coveted mirror-ball trophy on the all-stars edition of the competition series.
Rycroft and Dovolani are both first-time winners.
Johnson and Derek Hough came in second and Monaco and Val Chmerkovskiy third in Tuesday's 2-hour season finale.
Notable deaths of 2014 [PHOTOS]
'True Detective' adds Kelly Reilly