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Sandra wasn't the only member of her family moved by a moment on The Oprah Winfrey Show. Her sister, Monica, was inspired by an all-time favorite guest.

Monica says she was always overweight growing up and went on her first diet when she was just 10 years old. "It was very hard growing up as a fat child, as a fat teenager," she says. "I was depressed. Anytime anybody calls you a name, it just eats away at you. You get to a point where you just think, 'This is who I am. This is how I'm meant to be.'