- 1 Céline Dion
- 2 Cardi B
- 3 CupcakKe
- 4 Carly Rae Jepsen
- 5 Camila Cabello
- 6 Charli xcx
- 7 Chappell Roan
- 8 Christina Aguilera
- 9 Christine Glass
- 10 Chevy
- 11 Cher
- 12 Claire Rosinkranz
- 13 Connie Francis
- 14 Charlotte de Witte
- 15 Carla Bruni
- 16 Ciara
- 17 Cyndi Lauper
- 18 Coco Jones
- 19 C.C. Catch
- 20 Colbie Caillat
- 21 Clairo
- 22 Caron Nightingale
- 23 Carrie Underwood
- 24 Christina Perri
- 25 Caroline Polachek
- 26 Chelsea Cutler
- 27 Christine Milton
- 28 Cami
- 29 Connie Talbot
- 30 CIL