... at last.
He's announced it in Downing Street, and in in the Palace formally telling Lizzie now.
Of course, that means Cameron will be PM, but we still don't know what the government will look like. Either a Tory/Lib coalition, or a Tory minority government with a "confidence and supply" agreement. My bet is on the coalition.
But even if the leaders have agreed it, and the negotiators have agreed it, they've both got to get it past their parties and that might give Clegg a headache .... and there'll be quite a few seriously unhappy Tories too.