The couple wed on Sunday in an outdoor ceremony surrounded by Virginia forest, reported E! Online.
The 38-year-old Grammy-winning crooner met his stunning bride at an altar decorated by a canopy wrapped in greenery.
The nuptials, which featured a small guest list of around 50 people, took place at the Historic Polegreen Church in Mechanicsville, easily identified by a unique outlined house outdoors complete with faux windows.
Carano, who goes by Tina, wore a long-sleeved white lace high-collar gown with a sheer tail accessorized by a crown of flowers worn in her hair.
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"Today I was made the luckiest man in the world," he wrote.
Mraz met the brunette beauty, who is a native of Royal Oak, Michigan, in 2007 when he visited a coffee shop, she formerly owned in Hermosa Beach, California.
While they may have crossed paths nearly a decade ago, they did not start dating until 2011.
The singer was previously engaged to singer-songwriter Tristan Prettyman in December 2011.
The couple broke off their engagement six months later.