Hats Galore at Vintage Pix
see also Merry Widow Hats
If two is company and three's a crowd,
You needn't be bothered by that;
Just shut the third one out, girls,
Use your MERRY WIDOW HAT
See also the link to Put on your Easter Bonnet for a marvellous millinery slide show.
(found via hat society links via grow a brain)