The 26-year-old singer opened up about his big day on Twitter, "Beautiful wedding, beautiful girl, just beautiful :) WERE MARRIED!" he tweeted.
During the stunning vintage-inspired ceremony, the pair exchanged classic bands from Tiffany's and were surrounded by blush colored flowers, including peonies and roses, reports People.com. Next up: A honeymoon in Bali.
The one-time paint salesman proposed to Walsh on July 16 over champagne on a private yacht at Disney World while fireworks went off in the background.
The couple met last October while shooting a video for his single Sweet Serendipity.
DeWyze recalls that it was love at first sight. "We were casting and I saw her and said, 'Let's go with her.' I thought she was cute....we hung out and we went to a Lakers game on our first date. She's a Lakers fan and I'm a Chicago Bulls fan and we just clicked out of the gate."
Apparently so. "When you know, you know...we both feel that way," he said. "We don't need to be together 20 years before we figure it out."