Renoir and Love review – ‘The happiest exhibition of the year! Et pourqoui pas?’

<p><strong>National Gallery, London</strong><br>Grab your straw boater – and revel in these light-as-souffle masterpieces that celebrate life’s pleasures, from picnics to dances to frolics in the bushes</p><p>‘They knew how to enjoy themselves,” David Hockney once