Alfonso Ribeiro (actor) and Witney Carson Sadie Robertson (reality star) and Mark Ballas Michael Waltrip (NASCAR driver) and Emma Slater Lolo Jones (Olympian) and Keo Motsepe Jonathan Bennett (actor) and Allison Holker Lea Thompson (actress) and Artem Chigvintsev Antonio Sabato Jr. (soap opera stud) and Cheryl Burke Randy Couture (UFC fighter) and Karina Smirnoff Janel [...]