Dance Moms Season 7 Episode 9 Battle of the Blondes ( Air Date 2017-01-24 ) Genre Reality category. Overview "The ALDC's revolving door continues as Abby auditions a new dancer to be a part of the "Great 8" team heading to Nationals. Brynn, Lilly, and Maesi all go head-to-head with solos. And, the moms are hopeful the new dancer will complete the team, but Ashlee thinks otherwise when her mom insults Brynn".