Alesha Dixon, Michelle Visage and Glee stars Kevin McHale and Jenna Ushkowitz join Mo Gilligan for the debut edition of the musical game show. They will put their singing, performance skills and musical knowledge to the test.

Nicole Scherzinger and her rugby star boyfriend Thom Evans take on Joey Fatone from NSYNC and Grammy-nominated Aloe Blacc in the second edition of Mo Gilligan's musical game show.

Donny Osmond and Glee’s Amber Riley take on the silky smooth voices of Boyz II Men in Mo Gilligan's musical game show.

Mo Gilligan hosts as music superstars Becky Hill and Jason Derulo take on hip-hop legends Salt-N-Pepa as they face some super-sized musical challenges.

Mo Gilligan hosts TV's biggest music game show. Stars of Grey's Anatomy, Camilla Luddington and Chris Carmack take on Pussycat Doll Kimberly Wyatt and comedian Gina Yashere as they face some epic musical challenges.

Mo Gilligan hosts TV's biggest music game show. Tom Grennan and Patsy Palmer take on actors Tom Ellis and Billy Boyd as their singing abilities and musical knowledge are put to the test.

Drag Race stars Courtney Act and The Vivienne take on TV legend Ricki Lake and top musical comedian Reggie Watts as they face some super-sized musical challenges, pushing their singing abilities, performance skills and musical knowledge to the limit.

Chrishell Stause and Mary Fitzgerald, stars of the smash-hit series Selling Sunset, take on Lucy Davis from the UK Office and David Koechner from the US Office. The teams face some epic musical challenges, pushing their singing abilities, performance skills and musical knowledge to the limit as they compete to be declared this week's That's My Jam champions. Mo Gilligan hosts