Happy Birthday!

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Across
  1. 2. Verb, "Happy birthday to you..."
  2. 5. Objects that require helium
  3. 6. March zodiac sign 1/2
  4. 9. Common party dessert
  5. 11. Beatle's song "Will you still need me, will you still feed me, When I'm...."
  6. 12. Something you throw
  7. 15. March zodiac sign 2/2
Down
  1. 1. Cake Topper
  2. 3. You make this as you blow 1 down
  3. 4. "For he's a ____ good fellow!"
  4. 7. Small decorative droppings
  5. 8. Common cake flavour
  6. 10. Object you bring the birthday boy / girl
  7. 12. Fragile container of candy
  8. 13. French initialism confirming attendance
  9. 14. You always turn one ____ older