The ninth season of Dancing with the Stars premiered on September 21, 2009 with a three-night premiere. This season included 16 celebrities, with 3 double-eliminations halfway through the season. Four new dances were introduced to complement the large cast. Those dances were the Bolero, Lambada, Country Two-Step, and the Charleston. Tom Bergeron and Samantha Harris both returned as hosts. This was Harris' last season as a host. Len Goodman, Bruno Tonioli, and Carrie Ann Inaba all returned as judges. Baz Luhrmann appearing as a guest judge in Week 2, temporarily replacing Len Goodman.