Thea is 12 years old and, this Saturday, she apparently plans to get married to her 37-year-old fiancé, Geir.
The Norwegian child bride's blog has received over half a million views in the run up to her wedding, with many reacting in horror to photos of the little girl being fitted for her wedding dress.
In her first few posts, Thea seems excited about planning her wedding day, treating it as though it were a game and hoping she will have a 'totally sick wedding dress'.
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But, as the weeks pass, Thea starts to worry about having to leave school, having sex, and being expected to produce children of her own - a stark reminder that millions of girls have their childhood brought to a premature end by underage marriage, often to far older men.
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Thea’s ‘story’ has shocked many, which is why so many readers of the blog have tried to 'stop the wedding' by using their Facebook or Twitter accounts to raise awareness of underage marriage and by agreeing to sponsor a girl at risk of becoming a child bride.
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You see, Thea's story is not real. It is actually part of a campaign by children’s development charity Plan International aimed at highlighting the 39,000 children every day who are forced into marriage.
The charity says: "We believe that provocation is a powerful tool in order to demonstrate a reality that truly is very provoking.
"We hope people will mobilise against child marriage by being girl sponsors, so that most of the girls facing Thea’s situation every day can escape their brutal fate."