When did twilight become an Alicorn?

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Tags

1. #television
2. #american
3. #crowned
4. #season
5. #friendship
6. #episode
7. #final
8. #alicorn
9. #series
10. #princess
11. #canadian
12. #overall
13. #thirteenth
14. #animated
15. #twilight
16. #magic
17. #sparkle
18. #magical
19. #little
20. #fifth
21. #sixty
22. #third
23. #mystery