Making it to your wedding day takes a lot of planning and a little luck.

When you finally do get to the Big Day, the last thing you want is to bring bad luck upon you and your spouse-to-be. If you're superstitious, get ready -- there are a lot of nuptial rules for you to follow.

Starting with your rings: Legend has it has it that couples will have bad luck in marriage if they shop for wedding rings on a Friday -- especially Friday the 13th. But if Friday is the only time you've got to buy your bling, and you need to reverse the curse, you might consider letting a feline friend use your left wedding shoe as a food dish a week before you tie the knot.

In honor of Friday the 13th, we've rounded up some of the weirdest wedding day superstitions. Click through the slideshow below to learn what to do (and not to do) if you want to have good luck on your Big Day.

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  • Spider In The Dress

    English folklore says that a bride who finds <a href="http://wedding.theknot.com/wedding-planning/wedding-customs/articles/50-wedding-traditions-superstitions-facts-trivia.aspx" target="_hplink">a spider in her wedding gown</a> on her Big Day will have good luck.

  • Sugar Cubes

    The Greeks believe that a bride who wears a sugar cube in her glove on her wedding day will have a <a href="http://wedding.theknot.com/wedding-planning/wedding-customs/articles/50-wedding-traditions-superstitions-facts-trivia.aspx" target="_hplink">sweeter marriage.</a>

  • Bridal Veils

    For Roman brides, wearing a veil down the aisle was thought to disguise her from evil spirits who were jealous of her happiness. It's also a sign of good if a <a href="http://books.google.com/books?id=1VvHeyqGzf4C&pg=PA131&lpg=PA131&dq=bridal+veil+superstitions&source=bl&ots=bVZZ_D2mLk&sig=gvKBMEMroM3fRijc5mHf2MScYUc&hl=en&sa=X&ei=RyD_T_q-EqfI2gWoxKnHAQ&ved=0CFQQ6AEwATgU#v=onepage&q=bridal veil superstitions&f=false" target="_hplink">bride's veil catches fire</a> while she's at the altar.

  • Cat Eat Out Of Shoe?

    An Indian wedding tradition says it's good luck if a <a href="http://www.articlesbase.com/marriage-articles/indian-wedding-traditions-and-superstitions-5769125.html" target="_hplink">cat eats from the bride's or groom's left shoe</a> one week before the wedding.

  • Wedding Dresses

    The <a href="http://itthing.com/wedding-superstitions" target="_hplink">best material</a> for a wedding gown is said to be silk. Satin is said to bring bad luck and velvet indicates future poverty for the newlyweds. Brides should also stay away from patterned gowns, or gowns with vines and birds on them. Be careful not to bleed on a dress either.

  • Writing Her Married Name

    The bride who <a href="http://voices.yahoo.com/superstitions-traditions-every-bride-should-359144.html?cat=41" target="_hplink">writes her new married name</a> before the wedding is thought to doom her marriage.

  • No Nuns Allowed

    A bride who sees a <a href="http://voices.yahoo.com/superstitions-weddings-4726756.html?cat=32" target="_hplink">nun or a monk on the way to her wedding</a> is cursed to be barren and dependent on charity.

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