As a result she went through puberty before viewers eyes and as a result was thrown into a deep depression over cyber bullying.
"People were like, "Sansa gained 10 pounds" or "Sansa needs to loose 10 pounds", "Sansa's got fat". The film/TV actress also talked about how she is trying to change the stigma on mental health concerns and being transparent about her issues.
"I actually am still on my break", she said. Or I would have, like, spotty skin-because I was a teenager and that's normal. She's just a year younger than me and she and I were growing up together. "I would get (the costume department) to tighten my corset a lot", she added.
"It started just in my head and I would think of something and cringe and feel disappointed and I'd be like, 'I hate myself.' And then it started getting worse and worse and worse.", Maisie said.
Turner, who was cast as Sansa Stark in 2011, said online criticism took a toll on her self-worth.
What I found interesting about this is that Sophie Turner is one of those actors who always has an air of confidence about her and I'd personally never expect this kind of story from her, which is part of the problem.
"I don't know why though", she continued. "I have nothing that I want to do".
It got so bad at one point that Turner admitted she "used to think about suicide a lot".
Turner described feeling "very alone" when she lived at home with her parents to work as an actress while her friends went off to college.
Sophie Turner has detailed the depression that she experienced on her first few years on Game of Thrones.
"It's weird", she said.
The mounting negativity crescendoed to a climax when Turner realized she no longer wished to leave the house, spend time with her friends, or do much of anything at all while dealing with the seemingly never-ending barrage of comments from supposed "fans" of the series.
The actress described social media during her run on "Game of Thrones" as a "bit of a catalyst" in her depression.
The "X-Men" actor is now undergoing therapy and treatment and feels much better.
She credits her relationship with United States musician Joe Jonas for helping her recovery.
'I suppose, and when someone tells you they love you every day, it makes you realise why that is, and I think it makes you love yourself a bit more'.
In an interview to Entertainment Tonight, Nick opened up about the close friendship that has formed between Priyanka and his brother Joe's fiancee Turner. "You go and get the help that you need", she said.