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The jet setters enjoying a summer holiday in Saint-Tropez will have to add face masks to their wardrobes.

The glamorous French Riviera resort began requiring the masks outdoors Saturday, as cases of the coronavirus began to creep up again across France.

There were more than 2,000 new infections Friday, the biggest single-day increase since May.

Masks were also required beginning Saturday in parts of Marseille, France’s second-largest city. And Paris will apply similar measures in the most crowded areas of the capital starting on Monday.

Masks had already been required in all indoor public spaces across the country.

There have been 235,208 coronavirus cases in France and 30,327 deaths, according to Johns Hopkins University stats.

With Post wires