Home /Season 11 /Week 9Cha-cha-chaMercyDuffy · SemifinalsCouple: Jennifer Grey & Derek HoughNo video availableCha-cha-cha · MercyJudges10Carrie Ann Inaba10Len Goodman10Bruno TonioliRank 1 of 8Total 30/30Avg 10SafeAlso in week 9Brandy & Maksim ChmerkovskiyPaso doble27/30Brandy & Maksim ChmerkovskiyArgentine tango30/30Jennifer Grey & Derek HoughWaltz30/30Bristol Palin & Mark BallasPaso doble27/30Bristol Palin & Mark BallasWaltz26/30Kyle Massey & Lacey SchwimmerSamba29/30Kyle Massey & Lacey SchwimmerArgentine tango29/30