Happy Birthday love!!! <3

This special puzzle was made just for you. Solve the crossword below, then group the answers into four connection groups!

Clues

Across
  1. 1First pen and octopus defense. (4)
  2. 2Nothing in tennis? It's all you need! (4)
  3. 3Summer drama away from home. (10)
  4. 4Drill sergeant? Fixes bridges! (7)
  5. 5Tune found in season gala. (4)
  6. 6Something was easy? Plus icing! (4)
  7. 7Execute an icon? Just before she lost a yacht. (4)
  8. 8Chompers at the tips of tough edges erode the hardest. (5)
  9. 9Doctor dance with fifty Roman lights. (6)
  10. 10Spanagram! (13)
Down
  1. 1Tuxedoed waddle squad? Icy comedians with their own brand! (8)
  2. 2Occasion to even the first score. Time to make it happen! (5)
  3. 3Rest and recover! Peel shellfish (only the first catch)! (5)
  4. 4Cooler that isn't cold yet? I can splice it! (4)
  5. 5A block party from part of a journey around the world. (8)
  6. 6Consume energy first at home! (3)
  7. 7Worship an ad with gold? (5)
  8. 8Heads of house and pitiful parliament yell. (5)
  9. 9Lesson in how to see girl habits together. (5)