Xmas present

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Across
  1. 2. The tenth prime number
  2. 4. Another word for west end playhouse
  3. 5. Arthur’s favourite musical sisters
  4. 6. First month of the year
  5. 7. Regal residence
Down
  1. 1. Queens name, train and coach station
  2. 3. Theatrical performance blending songs, acting and dancing