What's in Starbucks purple drink?

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Tags

1. #passion
2. #should
3. #starbucks
4. #syrup
5. #decently
6. #blackberries
7. #vanilla
8. #purple
9. #fruit
10. #caffeine
11. #order
12. #secret
13. #predecessor
14. #friendly
15. #drink
16. #concoction
17. #photo
18. #healthy