Stone said she was detained for one night and deported to the Middle East the next morning, the last nation on her "Total World Tour."
"Our last country on the list was Iran," Stone wrote on Instagram on Wednesday, alongside a short video. "We knew there could not be a public concert because I'm a woman and this is illegal in this country, I personally do not feel like going to an Iranian jail, nor do I try the politics of the countries I visit 'I want to change others at risk,' she added.
"However, it seems that [sic] does not believe we would not play a public show, so they alerted us to what they call" blacklist "like us
"After long conversations with the friendliest, most charming and welcoming immigrants, the decision was made to hold us for the night and deport us in the morning." Stone went on. " Of course, I was gutted. So near and yet so far has this moment broken a small piece of my heart. "
Stone started her mammoth tour in Morocco in March 201
The vocalist continued, "I still have some way to go to that goal, and of course, music is my driver, but that does not mean that we have to break the law, music is everywhere, and here too we just have to get used to the (sic ) Rules and they must believe that we will do it. "
In her Wednesday post, Stone praised" the friendliest, most charming, and most welcoming immigrants "in Iran, whom she excused for deciding she and her surroundings to deport.
"We should have apologized for not having the right documents," she added.
CNN has tried to ask the Iranian authorities for comments.