hd.thomson-multimediaThe Sing-Off A Special Holiday Event (2009– ) watch online HD
- Original title:A Special Holiday Event
- Category:TV Episode / Family / Game Show / Music / Reality TV
- Released:2009–
- Actors:Nick Lachey,Ted Moock,Shawn Stockman
- Duration:2h
- Video type:TV Episode
- Rating 6.5
- Votes 140
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Short summary
| Episode credited cast: | |||
 | Nick Lachey | - | Himself - Host |
 | Ted Moock | - | Himself - Contestant |
 | Shawn Stockman | - | Himself - Judge |
 | Patrick Stump | - | Himself - Judge |