Farrow was in his element, surrounded by adoring friends and clients - including Gordon Ramsay, Sharon Osborne, Jeremy Clarkson and Barbara Windsor.
Journalists, including Farrow's wife - The Sun columnist Jane Moore - and GQ editor Dylan Jones, were also in attendance.
'I speak to these people every day, so it's nice to have a chance to actually see them,' he tells us.
Of course, feeding and watering celebs and journos never comes cheap, as Farrow found when he was presented with a £5,000 bar bill.
Thankfully, all Diary had to deal with the next day was a hangover.