0
Celtic Thunder
band
1
Máiréad Carlin
Irish singer
2
Chloë Agnew
Irish musician and singer
3
Kevin McHale
American actor, singer and dancer
4
Amber Riley
actress, singer
5
Celtic Woman
all-female Irish musical ensemble
6
Chord Overstreet
American actor, singer and musician
7
Samuel Larsen
American singer
8
Jenna Ushkowitz
actress, singer
9
Scotty McCreery
singer
10
Darren Criss
American actor and singer
11
Kristin Chenoweth
American actress, singer and author
12
Vanessa Lengies
Canadian actress
13
Brian McKnight
American singer-songwriter, arranger, producer, and R&B musician
14
Chris Mann
singer
