TV presenter Dr Christian Jessen has been ordered to pay damages of £125,000 to Arlene Foster.
It's after he posted a defamatory tweet- which made unfounded claims that the North's First Minister was having an extra-marital affair.
Delivering his judgement at the High Court in Belfast, Mr Justice McAlinden described the tweet as "outrageous" - which he says affected core aspects of Ms Foster's life.
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Speaking outside court Ms Foster's lawyer Paul Tweed said he believed it was a record sum for a tweet.