BEFORE: 180 lbs
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AFTER: 130 lbs
As a teen growing up in Silver Spring, Maryland, Kristen Collins Eccleston regularly dined on greasy fast food with her friends. After college she met her now husband, Bryan, and got into the habit of splitting extra-large pizzas with him and ordering buffalo wings for Sunday-night football. Their junk-food feasts caused Kristen to tip the scale at 180 pounds. When Bryan proposed in 2009, it was a wake-up call for the 25-year-old special-ed teacher, who vowed to shed weight from her 5'6" frame before getting hitched.
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THE CHANGE While shopping for size-16 wedding gowns in February 2010, Kristen's mom sensed her daughter's misery. She sent Kristen an encouraging note, pledging her support and offering to buy her a new smaller-size outfit for the rehearsal dinner. "My mom wanted to see me happy, so she motivated me to do something about my weight," says