DWTS Season 20 - Week 9 - SHOCKING ELIMINATION of Nastia Liukin and Derek Hough.\rbr\rbrDWTS Semi finals Season 20 Week 9.\rbr\rbrKrystin Burtt and Suri Serano along with Darvina Plante, are discussing about the ninth week of Season 20 of Dancing with the stars. Here are their comments .\rbr\rbrDWTS Season 20 Week 9 Semifinals - Rumer Willis & Val - Contemporary - Dancing With The Stars 2015 #DWTS #Semifinals Nastia Liukin & Derek - Quickstep .\rbr\rbrDwts season 20 week 9 semifinal results Full episode part 5 (5-12-15) #DWTS #Semifinals Nastia Liukin & Derek - Quickstep - Dancing With The Stars - Season .