- 1 Céline Dion
- 2 Cardi B
- 3 Carly Rae Jepsen
- 4 CupcakKe
- 5 Camila Cabello
- 6 Chappell Roan
- 7 Charli xcx
- 8 Christina Aguilera
- 9 Chevy
- 10 Christine Glass
- 11 Clairo
- 12 Colbie Caillat
- 13 Cécile Corbel
- 14 Chanté Moore
- 15 Cami
- 16 Cher
- 17 Christina Perri
- 18 Carrie Underwood
- 19 Cam
- 20 C.C. Catch
- 21 Connie Talbot
- 22 Cannie
- 23 Caroline Polachek
- 24 Carla Bruni
- 25 Ciara
- 26 Charlotte de Witte
- 27 Cozi Zuehlsdorff
- 28 Corrinne May
- 29 Cyndi Lauper
- 30 Caron Nightingale