Transcript for 'GMA' 24-Hour Wedding Marathon Kicks Off
âª Welcome back to "Gma." Time for our "Wide world of weddings" live event. One day, 100 couples around the world all tying the knot. And you are invited to have a front row seat to every single wedding. Our first is just moments away right here in times square. But we want to tell you a little bit more about how we're doing this and the special couple kicking it off. It's a wedding event like you've never seen before. 100 I dos in 24 hours, live and you are the vip guest to every single ceremony. From San Francisco to los Angeles to Vegas, Detroit, to Walt Disney world in Orlando we're not done yet. We're also live in Seoul, south Korea and Scotland. There's even a nonstop wedding gazebo right here in times square. It all kicks off this morning with couple number one, Robert and laura. Robert proposed with an epic rendition of "Greased lightning" that went viral âª greased lightning âª âª greased lightning âª You said that's typical him that you weren't surprised to see him put on this production. Of course he wasn't going to go to a restaurant and Neal down. That's not his style. âª Get some overhead lifters and four-barrel -- Live on TV, does it take some of the nervousness out of the actual marriage away? I don't think it's hit me just yet. I think I'm more nervous about seeing her. I'm going to -- I'm just going to cry. It's going to be terrible. I can't be a man. I'm just going to cry. Men cry. It's okay, man. It's okay. How did you know he was the guy to spend the rest of your life with. It's just like a perfect puzzle piece. It just meshes so well. Reporter: It's the ultimate wedding invite. Grab a handful of confetti and celebrate the love. Go to goodmorningamerica.com on Yahoo and tune in for 24 hours of matrimony kicking off "Gma's" "Wide world of weddings" and it starts right now.
This transcript has been automatically generated and may not be 100% accurate.