THE SING-OFF  “Top 7 Groups: Superstar Medleys” Season 3, Episode 7 –  The Sing-Off  kicked off tonight’s episode in the ghoulish spirit of the  holiday with a fun medley of iconic Halloween  tunes sung by the remaining more

Nick Lachey brought the puns to The Sing-Off this week, but did the groups bring the talent? Read on for our weekly grades... Urban Method - Rihanna Medley - After being in the bottom two last week, the girls were worried about both standing out and tryin more