Amid the aristocrats, jet setters and millionaires at this year's Rose Ball one party goer was the centre of attention as she took to the dance floor with a group of girlfriends.
In an elegant ice blue gown, Princess Caroline's striking daughter Charlotte Casiraghi was the star attraction.
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Although, on this occasion, the Monegasque royal was in Chanel – her go-to label for many years – she's now closely associated with Gucci.
Her profile has rocketed since her appearance in a campaign for the luxury Italian house.
She was happy to lend some of this extra cachet to the charity gala in support of her uncle Prince Albert, the reigning sovereign, and his gorgeous wife Charlene.
In the past the annual affair, which is the highlight of the Monte Carlo social calendar, has had themes such as the gypsy lifestyle and Arabian nights.
Motown was celebrated in 2010 when Charlotte was accompanied by her boyfriend at the time Alex Dellal.
This year, though, the Grimaldis got the prestigious Sporting Club venue rocking with a London in the Swinging Sixties vibe, complete with pictures of Twiggy and Paul McCartney.
While shaking their stuff to tunes by rocker Pete Doherty, guests raised nearly €300,000 for the Princess Grace foundation.