Home /Season 19 /Week 4RumbaHow Will I KnowSam Smith · Most Memorable Year NightCouple: Janel Parrish & Valentin ChmerkovskiyNo video availableRumba · How Will I KnowJudges9Carrie Ann Inaba9Bruno Tonioli9Julianne Hough9America's ScoreRank 4 of 10Total 36/40Avg 9SafeAlso in week 4Jonathan Bennett & Allison HolkerSamba24/40Betsey Johnson & Tony DovolaniJive29/40Bethany Mota & Derek HoughRumba33/40Michael Waltrip & Emma SlaterQuickstep25/40Lea Thompson & Artem ChigvintsevContemporary39/40Antonio Sabato Jr. & Cheryl BurkeSamba29/40Tommy Chong & Peta MurgatroydJive28/40Sadie Robertson & Mark BallasSamba37/40Alfonso Ribeiro & Witney CarsonJazz40/40