Which  Italian choreographer continue as the judges in Season seven with Michael Flatley ?
Dancing with the Stars (U.S. season 7) Season seven of "Dancing with the Stars" premiered on September 22, 2008 as a part of ABC's fall 2008 line-up. Instead of 12 couples like previous seasons, this was the first season to showcase a lineup of 13 couples. This season also introduced four new dances: the hustle, the salsa, the jitterbug, and the west coast swing, as well as Team Dancing. Tom Bergeron and Samantha Harris return as the show's hosts. Len Goodman, Bruno Tonioli, and Carrie Ann Inaba continue as the judges this season, with Michael Flatley having appeared temporarily as a guest judge for Len Goodman during week six.
Dancing with the Stars (U.S. season 18) Season eighteen of "Dancing with the Stars" premiered on March 17, 2014. Len Goodman, Carrie Ann Inaba and Bruno Tonioli returned as judges; Tom Bergeron returned as host while Erin Andrews replaced Brooke Burke-Charvet as co-host. Bandleader Ray Chew replaced the Harold Wheeler orchestra and singers. In addition, the skybox made a return to the show and the judges table returned to the left side of the ballroom.