So You Think You Can Dance Ellen DeGeneres to perform on 'So You Think You Can Dance' finale 08/12/2010 Ellen DeGeneres will perform on So You Think You Can Dance's live seventh-season finale. Read More RELATED NEWS 'So You Think You Can Dance' all-stars Stephen "tWitch" Boss and Allison Holker get married'So You Think You Can Dance' crowns Lauren Froderman championEllen DeGeneres to perform on 'So You Think You Can Dance' finale TAGS: American Idol So You Think You Can Dance Ellen DeGeneres
