By avoiding these fashion faux-pas, you will make a tasteful fashion statement and show respect for the bride and groom. White. One of the most obvious mistakes at a wedding is to match the bride. ... A Black Tuxedo. ... Anything Too Revealing. ... Denim or Jeans. ... Low-Cut Outfits. ... Sheer Material. ... All Black. ... Flip Flops. More items... 31 May 2018