The Cannes red carpet is, without question, a home of glamour. But in 2026 that glamour has a different spin. The women gaining the most headlines for style are, for once, over 70. Joan Collins, 92, walked the red carpet this week in a white sculptural strapless gown by Stéphane Rolland. Jane Fonda, 88, wore a floor-length sequined Gucci dress. Isabella Rossellini, 73, has been seen wearing a striking patterned two-piece, while Catherine Deneuve, 82, was chic in forest-green satin and hoop earrings. ‘Super-glamorous’: Joan Collins in a gown by Stéphane Rolland. Photograph: Gisela Schober/Getty Images Jane Fonda shimmers in floor-length Gucci. Photograph: Valéry Hache/AFP/Getty Images These women were at the festival because they are promoting films or projects – Collins and Rossellini are starring in the Wallis Simpson biopic My Duchess, Fonda was at a L’Oréal event – but their presence can still be celebrated as evidence of wider age diversity on the red carpet.…