But while the public is invited to share the details of little Saffron's Chanel No 5 habit, there are other areas about which the couple are more reticent.
They returned to Britain, where they briefly enrolled Saffron and Aspen at the same Hertfordshire school as Brooklyn Beckham.
No other establishment would do, they hinted, because of the constant kidnapping threat to their offspring.
With seven female 'man-maids', a fleet of stretch limos and a glass Cinderella 'pumpkin' carriage pulled by six white horses with pink feathered plumes, there couldn't have been a more extravagant way of declaring their undying love to the world.
Whatever reservations people may have had about the way the Drewitt-Barlows came by their designer family, about their exuberant attention-seeking, iffy taste and impetuous spending, the stable, monogamous nature of their relationship never seemed in doubt. Since 1999, when they achieved fame as 'The Gay Dads', much of their lives - or their children's - has been chronicled by television, newspapers or magazines, often in return for a fat cheque.
Little was left to chance — even the sex of the twins was selected, with Barrie fathering Saffron, and Tony, Aspen.