Guest panelists Cheryl Hines and Adrienne Bailon-Houghton; one contestant performs with Jewel.

Guest panelists Kelly Osbourne and Brian Austin Green; chosen contestant performs with Kelly Rowland.

Guest panelists Joel McHale and Alison Brie; the selected singer performs with Ashanti

Guest panelists Loni Love & Jodie Sweetin; chosen contestant performs with Macy Gray.

Guest panelists Mario Cantone & Melissa Peterman; selected singer performs with LeAnn Rimes.

Guest panelists Robin Thicke and Raven Symone; the selected singer performs with Rachel Platten.

Guest panelists Margaret Cho and Rachel Harris; the chosen contestant performs with Shaggy.

Guest panelists Yvette Nicole Brown and Curtis Stone; one contestant performs with Wanya Morris.

Guest panelists Vanessa Lachey and Jim Jeffries; the chosen contestant performs with Kandi Burruss.

Guest panelists JoJo, Drew Carey, Yvette Nicole Brown, Cheryl Hines and Adrienne Houghton; one singer will perform a duet with JoJo.