Since Instagram launched, people have been surprised to find that it's more than just a social media/ photo-sharing app--it's also another way to find true love! Dozens of couples have met and gotten engaged after clicking on a hashtag that introduced them to their fate.

While it's kind of an outdated tradition, there are still a few guys who ask their girlfriend's father for permission before they pop the big question. But what if her dad says "No?"

So you threw a series of epic parties and forgot to write your vows. Rush to the altar and don't worry, because we've got you covered.

Stars! They're just like us! Even their immense fame doesn't get them out of bridesmaid duty! For one day, these 11 celebrities had to hold someone else's train, walk down the aisle BEHIND someone else, and pose for dozens of photos where they weren't the focus.

Here are 11 stars who stepped out of the spotlight to support their bridal BFFs:

Call a doctor! We need someone to take away the pain we've been feeling over the loss of Derek Shepherd, who died after being hit by a tractor trailer on a recent episode of Grey's Anatomy. Yes, folks, McDreamy has gone on to the cable syndication afterlife.