THREE COUPLES REMAIN IN WHAT HAS BEEN ONE OF THE MOST COMPETITIVE SEASONS OF THE SHOW EVER, BUT ONLY ONE WILL TAKE HOME THE SPECIAL ATHLETES MIRRORBALL TROPHY, ON THE SEASON FINALE OF ABC'S 'DANCING WITH THE STARS: ATHLETES,' MAY 21

Each Couple Will Perform Two Dances

All 10 Athletes Set to Reunite and Perform One Last Dance Together

The Winner Will Be Determined Based on 'Last Chance' Live Viewer Votes and the Judges' Scores, Along with Last Week's Viewer Votes

After three weeks of stunning competitive dancing, the final three couples advance to the finals of "Dancing with the Stars: Athletes," live on MONDAY, MAY 21 (8:00-9:00 p.m. EDT), on The ABC Television Network, streaming and on demand. It's been a very close race this season, and each and every couple has stepped up to the plate and given their all on the ballroom floor.

All 10 of the athletes are set to reunite for a spectacular dance number. As for the three finalist couples, each will perform two dances. The first round will be inspired by their journey on the show, and each couple will perform a jazz, foxtrot or Viennese waltz routine. The second round will be a no-holds-barred freestyle dance. At the end of the night, based on "last chance" live viewer votes in the EDT/CDT time zones via ABC.com and Facebook, as well as the judges' scores and last week's viewer votes, one couple will be crowned the champion, culminating an incredible season, and take home the special Athletes Mirrorball trophy.

Each couple will dance to the following songs (in alphabetical order):

Adam Rippon and Jenna Johnson - Jazz - "Anything You Can Do" from "Annie Get Your Gun" - The new Broadway cast recording

Josh Norman and Sharna Burgess - Foxtrot - "Conqueror" by "Empire" cast, featuring Estelle and Jussie Smollett

Tonya Harding and Sasha Farber - Viennese Waltz - "The Time of My Life" by David Cook

Each couple will dance freestyle to the following songs (in alphabetical order):

Adam Rippon and Jenna Johnson - "Scooby Doo Pa Pa" by DJ Kass

Josh Norman and Sharna Burgess - "Walk on Water" by Thirty Seconds to Mars

Tonya Harding and Sasha Farber - "I Will Survive" by The Pussycat Dolls

Hosted by two-time Emmy(R)-winning host Tom Bergeron and Erin Andrews, "Dancing with the Stars: Athletes" is the hit series in which athletes perform choreographed dance routines that are judged by a panel of renowned ballroom experts, including head judge, Len Goodman, and dancers/choreographers Bruno Tonioli and Carrie Ann Inaba.

In week four, which airs at 8:00 p.m. EDT/7:00 p.m. CDT on Monday, May 21, this season's champion will be determined based on that night's judges' scores and last week's viewer votes, along with the results of a "last chance" vote during the live broadcast of the finale. Fans can vote online during the live broadcast in the Eastern and Central time zones at ABC.com at http://dwtsvote.abc.go.com/ and on Facebook at http://bit.ly/2o1VO7b. This "last chance" vote will open after all three couples have finished their final dance and will remain open for a few minutes before the champion is crowned.

"Dancing with the Stars: Athletes" is produced by BBC Studios. Andrew Llinares and Ashley Edens-Shaffer are executive producers. The show is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound. This episode carries a TV-PG, L parental guideline.