Back in 2010, Lizzie Velasquez made international headlines by being one of the only two reported people in the world who suffers from a disease that prevents her from gaining weight.

While that might sound like a dream for most women, not being able to gain weight made Lizzie's high school and college days a complete nightmare. She was even the subject of a viral YouTube video that labeled her the ugliest woman in existence, which garnered comments asking her do the world a favor and kill herself.

But instead of giving in to those YouTube trolls, Lizzie took the comments with stride. In this Ted Talk, Lizzie describes how she triumphed over the tremendous obstacles put in front of her to become the role model she is today. So if anyone ever puts you down because of the way you are or how you look, let Lizzie's inspiring story remind you on why their opinions really don't matter: