Lambton and Wright started dating in 2010 after they tried unsuccessfully to find love on the dating competition shows "The Bachelorette" and "The Bachelor" respectively.
UsMagazine.com said former "Bachelorette" contestants Craig Robinson, Tyler Vermette and Roberto Martinez were among the guests at the couple's beach wedding.
Lambton's new TV venture, the home-improvement show "Going Yard," is to debut May 12 on HGTV.
Couple mistakenly served bag of cash at McDonald's drive-thru
Gal Gadot cast as Wonder Woman for 'Batman vs. Superman'