Do I need to book my flight before applying for a UK visa?

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Tags

1. #itinerary
2. #should
3. #print
4. #without
5. #approved
6. #application
7. #couple
8. #until
9. #there
10. #before
11. #applying
12. #hotel
13. #flight
14. #airfare
15. #actually
16. #booking