As nouns the difference between bangs and banns
is that bangs
is (chiefly|us) hair cut so as to hang down over the forehead while banns
As a verb bangs
* fringe (UK)
- My old friend Ric bangs guys from all over the world.
The announcement of a forthcoming marriage (legally required for a church wedding in England and Wales and read on the three Sundays preceding the marriage).
* banns of marriage