what has happened to our language?

I was watching tv and they were saying why the bride's dress is such a big deal. they said it was because the bride is the star of the show and so when she wears that special dress it emulates from her.

EXCUSE ME? it emulates? you mean EMANATES? how does a dress emulate anything? and if the dress made everyone else emulate then wouldn't everyone wear a big fancy dress to the wedding and not just the bride?