Who's the best vocalist ever?
 

On a technical level in your opinion?

Here's my top 10?

1. Leona Lewis (Series 3)
2. Rhydian Roberts (Series 4)
3. Alexandra Burke (Series 5)
4. Aiden Grimshaw (Series 7)
5. Ruth Lorenzo (Series 5)
6. Luke Friend (Series 10)
7. Seann Miley Moore (Series 12)
8. James Arthur (Series 9)
9. Joe McElderry (Series 6)
10. Austin Drage (Series 5)

As I've already said this is based on pure technical ability than my own personal preferences.