Justin and Lauren Shelton were both grossly overweight when they got married in 2008.
Justin weighed over 450 pounds and Lauren tipped the scales at over 300 pounds.
Here's a wedding photo:
"It snowballed from there," Lauren says in a clip from the TODAY show. "But we just didn't care."
The turning point came in January 2012 when Justin was rushed to the emergency room for a kidney infection and learned that he was too heavy for the machine to scan his kidneys.
The couple decided to lose weight the old-fashioned way - eating healthier and exercising more. They stopped eating high-fat junk foods and started going on hikes.
For example: Justin used to eat a 1,240 calorie breakfast of three eggs overeasy, lots of bacon, and pancakes smothered in syrup, says TODAY nutritionist Joy Bauer.
See below:
Now for breakfast the couple eats sweet potato protein pancakes made with egg substitute and two slices of turkey bacon.
This meal is considerably lighter at only 194 calories:
In a year and half, the husband and wife team has lost more than 520 pounds.
Ready for the before and after?
Here's what Justin and Lauren looked like over a year ago:
And here's what they look like today, a combined 532 pounds lighter:
Head over to TODAY to learn more about the couple's weight-loss journey »