We'd all like the big down-on-one-knee moment to be perfect (preferably with music swelling in the background a la every classic rom-com) but sometimes life just doesn't turn out that way.

Even with lots of planning and careful consideration, things can still go wrong when you're popping the question -- like accidentally donating your ring to Goodwill or dropping it in the woods during your hot-air balloon ride.

And unfortunately, no one knows this better than these six unlucky grooms-to-be. We've rounded up our favorite botched marriage proposals in this slideshow, so click below and let us know: Do you have a proposal fail story of your own?

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  • Man Drops Ring Off Brooklyn Bridge

    Disaster struck when Don Walling proposed to girlfriend Gina Pellicani in <a href="http://today.msnbc.msn.com/id/30011573/ns/today-weddings/t/would-be-groom-drops-ring-busy-bridge/#.Tr2naIBW6fY" target="_hplink">2009</a> on the Brooklyn Bridge. But it wasn't because she said no. It was <a href="http://www.nbcnewyork.com/news/local/Oops-Fiancee-Drops-Engagement-Ring-Off-Brooklyn-Bridge.html" target="_hplink">Walling himself</a> who dropped the ring through a crack in the bridge onto the busy roadway below. Although the couple (and onlookers) were horrified at first, Walling was able to retrieve the ring and the band was only bent slightly in the fall. Looks like this proposal ended happily ever after.

  • Man Drops Engagement Ring Into Rock Jetty

    In August 2010, Matt Cawley proposed to girlfriend Stacey Scanlon at a Cape Cod rock jetty overlooking the ocean. But Scanlon's excitement turned to dread as <a href="http://www.thebostonchannel.com/r/24597272/detail.html" target="_hplink">Scanlon dropped the heavy $9K ring</a>, which was attached to an oversized sand dollar. The ring fell somewhere in between the rocks, and despite the efforts of the couple, lifeguards and beach-goers the ring was gone.

  • Man Drops Ring Down Sewer During Proposal

    Uh oh. On Valentine's Day 2011, John Iverson<a href="http://www.kasa.com/dpps/news/strange/man-drops-ring-into-sewer-she-still-says-yes-ob11-jgr_3720331" target="_hplink"> accidentally dropped an heirloom engagement ring</a> into a storm drain in downtown Denver. He was fumbling with the wedding band while his girlfriend, Kaitlyn, accepted his proposal and dropped it, but luckily firefighters came to the rescue. In less than an hour, they retrieved the ring -- but not before sifting through all of the mud and muck from the storm sewer.

  • Man Loses Ring In Sand Before Proposal

    In May, Denver-based brain surgeon Steve Carr <a href="http://www.huffingtonpost.com/2012/05/29/steve-carr-brain-surgeon-engagement-ring-sand_n_1553856.html" target="_hplink">panicked when he realized that he'd lost the engagement ring </a>that he had hidden in the sand on the beach in Naples, Fla. He was just about to pop the question to Mary Naam, but unfortunately couldn't find the ring in the process. Eventually, a team of people, including a professional ring finder, helped to find the ring.

  • Man Accidentally Donates Engagement Ring to Goodwill

    For two months, Josh Miller had been keeping his engagement ring in the pocket of an old winter coat until he was ready to propose. But when the time finally came to <a href="http://abcnews.go.com/blogs/lifestyle/2012/04/man-accidentally-donates-engagement-ring-to-goodwill/" target="_hplink">pop the question in April 2012</a>, Miller realized that the coat was nowhere to be found -- he had mistakenly donated it to Goodwill. He called his girlfriend immediately, but she thought he was joking. Unfortunately, no updates have been reported on the whereabouts of the ring. via <a href="http://abcnews.go.com/blogs/lifestyle/2012/04/man-accidentally-donates-engagement-ring-to-goodwill/" target="_hplink">ABC</a>

  • Hot-Air Balloon Snafu

    In 2009, 26-year-old pastor James Ng was about to pop the question to his girlfriend on a hot air balloon ride when he <a href="http://www.nbc33tv.com/news/man-drops-engagement-ring-hot-air-baloon" target="_hplink">suddenly dropped the camera case</a> holding his diamond engagement ring into the woods, 500 feet below. As soon as they hit the ground, Ng began searching for the camera bag. He scoured the woods for seven days until he finally found the ring. According to Ng, he'd been raising money for the ring for a year.