The pair's stormy relationship ended in 2008 after they had been together less than a year.
Her writing is most often inspired by folk and fairy stories, especially the Slavic tales her Prussian grandmother told her when she was young.
Yet speaking to The Daily Mail in 2015, Sophie dismissed all this as 'light years from where I am now.
Model-turned-actor and reality star Greg Plitt, 37, attracted millions of viewers to , and he too decided to take a risk and make a video on train tracks.
Her book The Girl who Speaks Bear won the Indie Book Awards Children's Fiction Book of the Year.
Back at the time, my dad bought me and my sister the different colour versions.
I was very, very critical of myself, and I used to analyse myself.
I was quite shy, quite overweight, with lots of body issues growing up.