Great Lovers for Valentine's weekend!

Great Lovers for Valentine's weekend!

 1     2        3       
4                5   
          6       
    7             
               
            8     
  9         10        
               
 11                
        12         
              13   
14        15           
     16            
               
17           18        

3. see 4 across
4. and 3 across and 7 across (2 words) A great Naval Commander and his Mistress
7. see 4 across
9. see 1 down
10. and 10 down - Humphrey and Lauren
11. see 8 down
12. and 18 across - they were so well cast in 2 down, 9 down
14. and 16 down - the beginning of it all?
15. see 17 across
17. and 15 across and 13 down - he was No 2 and she sold oranges
18. see 12 across

1. and 9 across - legend has it they went on a shooting spree across the States
2. and 9 down - Romance on the Nile
5. see 6 down
6. and 5 down - star crossed lovers
8. and 11 across - he lost his strength when she gave him a new haircut
9. see 2 down
10. see 10 across
13. see 17 across
16. see 14 across