Miss(y)ing Person

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Across
  1. 8. Why that first love didn't work out...who knew?
  2. 9. "LOL" is for dumbasses
  3. 12. 50
  4. 15. 50
  5. 17. Bumble Bee
  6. 19. Trump's biggest fan
  7. 20. The other well-known event of this day
  8. 22. Her most important role in the world's best band
  9. 23. Husbands, band and home
  10. 25. But I'm really, actually your best friend, right? Right???
  11. 27. 50
  12. 28. She sees cameras in her microwave
Down
  1. 1. SD's best winery
  2. 2. It's just his ______
  3. 3. A dog...allegedly
  4. 4. Isn't there a vowel miss(y)ing?
  5. 5. The reason for this puzzle
  6. 6. 50
  7. 7. "Sure, I'll sing every word of this song with you."
  8. 10. World's best band (obvi...)
  9. 11. They're dead to her
  10. 13. Email moniker that ain't kidding!
  11. 14. I'm your best friend, right?
  12. 16. 5'9", 120 lbs.
  13. 18. Brilliant! and yet retarded...
  14. 21. I'm your best friend, and don't even need to ask
  15. 24. A slightly crazier version of Missy
  16. 26. What it's nice to be before 50