It may have seemed a useful relationship at the time but it's clear David Cameron is becoming increasingly irritated by reminders of his close friendship with the former News International executive, Rebekah Brooks.
Number 10 sources have dismissed as "ridiculous" suggestions that there is a hidden cache of texts and emails between them.
New texts, leaked to a Sunday newspaper, show Mr Cameron gushing about his ride on a horse he was lent by Mrs Brooks' husband Charlie, the Prime Minister's old school chum.
In another message, Mrs Brooks says she cried hearing a Cameron speech.
Labour's Chris Bryant has been demanding the Prime Minister hand over all exchanges between himself and Mrs Brooks, claiming that only some were released to the Leveson Inquiry and perhaps dozens more are being kept hidden from the public to spare Mr Cameron's blushes.
Mrs Brooks is awaiting trial on charges of attempting to pervert the course of justice and phone-hacking.
Watch Libby Wiener's report below: