London - (The Godfather): The White House has yet to confirm what is still an exciting but unsubstantiated rumor.
But in London the news has spread like wildfire that Florence Rose Dandelion's godparents are none other than President Barack and First Lady Michelle Obama.
Little Miss Cameron will be dunked in the Diana Memorial Fountain's healing crystal waters on 23 September under the brilliant rays of the Harvest Moon.
The day's Autumn Equinox ceremony will conducted by the Archbishop of Canterbury, presiding over an ancient variant of the Hellfire Club rite.
Presidential First Daughters Malia and Sasha will also attend in their first official UK role as Special Relationship handmaidens.
Afterwards a Christening Breakfast will be held in the Downing Street rose garden.
David and Samantha Cameron are said to be 'over the moon' at the Obamas' acceptance, to be formally announced soon after the annual September 11 memorial ceremony at New York's Ground Zero site.
Insiders say the UK PM asked Barack Obama during a US presidential helicopter ride at the G20 meeting earlier this year.
The 23 September event will coincide with a two day presidential stay in the UK as part of ongoing bilateral stalks.