Slice off top of apple; remove core. Prick outside with sharp fork. Place apple in tall narrow bowl. Combine orange and lemon juice; pour over apple. (Add extra water if apple is not covered.) Marinate in refrigerator 4 to 5 hours.
Combine raisins, celery, and applesauce. Allow to mellow at room temperature 2 hours. Chill thoroughly.
Drain apple. Cut apple into 8 sections, slicing almost to the bottom. Fill with applesauce mixture. Place on crisp lettuce leaf.