Theresa May's plans to trigger Brexit have been derailed after a High Court decision that she has to let Parliament vote on whether they want to invoke Article 50.
Three judges ruled that the Prime Minister cannot use the Royal Prerogative to bypass Parliament when triggering Article 50.
Remain campaigners are jubliant at the decision, although the Government has already indicated it will appeal, and this still doesn't mean that Brexit definitely will not happen.
Brexiters, however, are not taking the news so well.
Ukip's Suzanne Evans is fuming
Michael Fabricant isn't happy either
And Nigel Farage is predictably full of dire warnings about revolution
Farage appears to have forgotten the ironically gloating speech he gave to the European Parliament after Britain voted in the EU Referendum.
"What I’d like to see is a grownup and sensible attitude to how we negotiate a different relationship," he said.
Let's see if Brexiters can maintain a grown up and sensible attitude to this decision...