Black must be freezing as she takes out her Scottish National party rosette and pins it to her lapel, but beams warmly.
Yesterday's show in Claridge's ballroom ticked the heritage box with the village fete rosette ribbons that trailed from her signature mini prom dresses, and a pair of green corduroy jodhpurs.
All that matters is building up that camp committed to ousting David Cameron: whether your individual MP wears a red or yellow rosette makes no odds.
Perhaps convincing a constituency that electing the same MP wearing a different rosette represents real change is a magic trick worthy of TV.
In 2010, the Tories had an influx of young people and wiped us off the radar, this time we're way ahead A four-minute drive away in Furzton, a neat residential area comprising hundreds of new-build houses, a rival band of activists form around a red rosette-wearing jack russell named Darcy.
All of them also despise each other.Mr Scargill's SLP probably has picked up some support from disenchanted Labour voters, but this new support comes from seats which have huge Labour majorities, implying that most people would vote for the proverbial donkey if it wore a Labour rosette.
"We used to say that all you had to do to get elected round here was to buy a poodle and wear a blue rosette," says a member of a Labour team out campaigning on a paved shopping street.Hove now feels more like a poor neighbour to louche Brighton, with its bars and clubs.
Only a fifth of voters received a visit from someone wearing a colourful rosette, according to the British Election Study.
Seeing his green rosette, many passers-by stop to ask about inequality and pollution and, more often than not, declare their support for him at the general election due in May.
Ron Paul was a libertarian who wore a Republican rosette.
In vitro, the neuroepithelial cells lack appropriate signals from the surrounding embryo, so that instead of turning into a neural tube they organise themselves into rosette-shaped structures.
