What is the second best selling single of all time?

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Tags

1. #princess
2. #single
3. #charts
4. #making
5. #recording
6. #1950s
7. #began
8. #candle
9. #tonight
10. #something
11. #about
12. #second
13. #million
14. #selling
15. #since
16. #biggest
17. #copies
18. #singles
19. #elton
20. #tribute
21. #diana