The actress explained that she had been tormented by other students, while she was studying in the UK.
"I went for the first few years of secondary school in the UK and it was so tough. I didn't channel that directly because I was on the other end of the bullying back then but I tap into it. But I drew from being in a space of being unapologetic more."
She said the show will highlight several issues faced by young people today, including the impact of social media and the internet on self-image.
"I think audiences will pick up on that. It shows what some young people are getting up to and it's shocking really. I think sometimes parents forget what it is like to be young and the pressures it brings."
Watch the trailer for The Girl from St. Agnes below.