Prince Carl Philip to marry reality star

An ex-reality TV star is set to become the first "commoner" for centuries to become a Swedish princess when she marries Prince Carl Philip.Sofia Hellqvist, 30, has worked as a topless model, later becoming a yoga instructor and working for charity.Her fiance, 36-year-old Carl Philip, is third in line to the Swedish throne.

Half a million are expected to line the streets of Stockholm for the event, despite polls suggesting the Swedish royal family's popularity is waning.'A real Cinderella story'

The pair reportedly first met at a restaurant in 2010, with news of their relationship being revealed soon after.

The Swedish media made much of Ms Hellqvist's past, which includes posing with a boa constrictor and an appearance on the reality show Paradise Hotel, in which scantily dressed singletons compete to stay in a luxury hotel.In response, Ms Hellqvist told Swedish television she had long since moved on.

"I don't regret anything. All these experiences have made me the person I am. I wouldn't have made those choices today."Amid rumours that her past had caused disquiet among the royal family, the palace has emphasised her charity work, which includes setting up a charity to help disadvantaged children in South Africa.