A mother of five has gone viral after posting an image and open letter on Facebook.

Tannis Jex-Blake of Edmonton, Alberta donned a bikini on the beach for the first time in 13 years. She exposed her stretch marks which are a result of her five pregnancies. A group of people bullied Jex-Blake while on the beach, even threatening to attack her.

Once she returned home, she wrote the Facebook message below, and has since received an incredible outpouring of support from social media.

Read more via ABC 11.