You have to glue the birds to your dress, seriously. A hot glue gun is perfect.

Hot glue guns are great for model making, crafts, or tacking anything together. I wouldn't use this for paper on paper, but for adhering more substantial objects onto surfaces.
When buying a glue gun, don't fall for all the bells and whistles (dual temperature controls and etc). You'll find that a simple glue gun is efficient enough. (via Dick Blick)

also can be used as a weapon