The Monaco royal will front Montblanc's new worldwide campaign for the Swiss brand’s Bohème collection — including luxury watches, jewellery and writing instruments — come September 2015.

The luxury Swiss brand announced the news on Monday at at the Salon International de la Haute Horlogerie in Geneva.

Charlotte Casiraghi has previously worked with Italian fashion house Gucci, most recently fronting its first ever cosmetics campaign.

Montblanc recently unveiled a limited-edition collection in honour of Casiraghi's iconic grandmother – the late Princess Grace of Monaco.