Sep 01, 2014 Rachael Sage Appears on Lifetime TV's "Dance Moms" Rachael's cameo appearance on the wildly popular reality series, "Dance Moms", aired on Lifetime TV on August 26th. After a record 8 songs appeared earlier this year in the first half of season 4, Rachael connected with the show for a secret meeting at the Abby Lee Dance Company's dance studio in Pittsburgh, PA. Rachael had the opportunity to meet and perform for all the dancers. "Happiness (Maddie's Song)" is featured during the 1st prize winning routine performed by dancer Maddie Ziegler. Ziegler was recently cast in Sia's music video for "Chandelier," which recently celebrated the No. 1 spot in Billboard's Top 200. Watch the cameo appearance here or download "Happiness (Maddie's Song)" here !