 Complete the following phrase:  Tom Bergeron returned as host alongside Erin Andrews. Len Goodman, Carrie Ann Inaba and Bruno Tonioli all returned as judges, while former professional and two-time champion Julianne Hough joined the panel as the permanent fourth judge of the season. Ray Chew also returned as bandleader. Leah Remini filled in as co-host on October 20, 2014, due to Erin Andrews commitment with Fox to cover the 