A beautiful snap of a couple caught outside London's Tower Bridge on their wedding day has gone viral – and the newlyweds still have no idea. An amateur Canadian photographer was driving past Tower Bridge in the back of a taxi on May 16^th when he saw a couple kissing in front of the iconic monument. Saber Miresmailli noticed the couple were unaccompanied by a photographer, but catching a beautiful moment on their special day, he decided to reach out to Facebook to track down the pair. Starting a campaign, Saber wrote: "A request to the Facebook Nation: I was on a moving car in London , UK on May 16, 2015 around 8PM when I saw this lovely couple. They were alone and I didn't see any photographer with them. I managed to shoot this picture with them and the London Bridge in the back ground. "I have the high quality picture and I love to find them and give it to them as a gift. Do you think you can share this and help me find them? Thanks!" And it seems... The snap was shared more than 158,000 times on the social media channel in less than a day, with the image going viral on Reddit and Twitter. Now the couple have been identified as just Laura and James by a friend who saw their snap appear in her newsfeed. Speaking to UK paper The Express, a friend who attended their wedding earlier that day said: "Laura and James have absolutely no idea how famous they are back here because they're currently on honeymoon in Bali. "I couldn't believe it when I saw the picture." That’s one surprise the bride won’t be expecting when she comes home from her honeymoon.