It can often be hard for wedding guests to to find a dress for someone's special day, especially the parents of the bride of groom who may feel extra pressure to impress.
Some rules - like wearing white - are widely known and people steer well clear of the obvious fashion faux pas so as not to upstage the bride.
However, while she didn't wear white, one woman has caused a stir with the outfit she wore for her daughter's nuptials that some people think was slightly inappropriate.