*Updated* Red Velvet Irene line evolution (Happiness to Queendom)

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1. Happiness-50.4 secs

2. RBB-43.4 secs

3. Rookie- 28.9 secs

4. Queendom- 22.7 secs

5. Dumb Dumb- 22.2 secs

6. Peek a boo- 19.5 secs

7. ICC- 18.1 secs

8. Umpah Umpah- 17.2 secs

9. Bad boy- 17.0 secs

10. Zimzalabim- 17.0 secs

11. Psycho- 15.1 secs

12. Russian roulette- 13.8 secs

13. Red flavor- 12.7 secs

14. Power up- 12.6 secs

15. Automatic- 8.0 secs

16. OOTN- 7.5 secs

17. Be natural- 6.0 secs