Emmy Award winning director and choreographer Kenny Ortega makes his "Dancing With The Stars" debut as a guest judge on American Icons Night when he sits alongside Len Goodman, Bruno Tonioli and Carrie Ann Inaba. The semi-finals begin as the five remaining couples must rise to the challenge of performing two different routines to music by legendary and modern American Icons. The couples will perform a variety of dance styles including Foxtrot, Rumba, Jazz, Viennese Waltz, Quickstep, Samba, Cha Cha, and Jive. At the end of the night, one couple will face elimination leaving only four couples to move on to the Finals.