By Jeff Labrecque
Updated September 16, 2009 at 02:45 PM EDT

Director and choreographer Adam Shankman (Hairspray), who has appeared on Fox’s So You Think You Can Dance as a guest judge in recent seasons, has been named a permanent member of the hit show. Beginning with the Top 20 performance show on Oct. 27, Shankman will sit alongside Mary Murphy and Nigel Lythgoe on the judges’ panel, according to a Fox statement.