Derek Hough & Alison Holker - Heart Cry (Contemporary) 

Derek Hough dancing with Alison Holker and Melanie Moore, Kathryn Mccormick & Jessica Lee Keller
Dancing with the Stars Semi-Final Results Show
DWTS Season 15 Couples are:
Derek Hough & Shawn Johnson
Val Chmerkovskiy & Kelly Monaco
Tony Dovolani & Melissa Rycroft
Cheryl Burke & Emmitt Smith
Karina Smirnoff & Apolo Anton Ohno
Peta Murgatroyd & Gilles Marini
Maksim Chmerkovskiy & Kirstie Alley
Louis van Amstel & Sabrina Bryan
Mark Ballas & Bristol Palin
Chelsie Hightower & Hélio Castroneves
Anna Trebunskaya & Drew Lachey
Kym Johnson & Joe Fatone
Tristan MacManus & Pamela Anderson