The 2026 Cannes Film Festival is already bringing out the best in VIP-approved shoe trends . So far, Heidi Klum strutted through the French Riviera in soft loafers, Ruth Negga took her red carpet turn in peep-toe pumps , and on May 13, Simone Ashley checked into the Hôtel Martinez wearing slingback Mary Janes. See? Cannes footwear is only getting freakier by the minute. The Bridgerton star waited until day two to join fellow A-listers Demi Moore , Maura Higgins, and Alexandra Leclerc in the French Riviera. Before hitting the Croisette, paparazzi captured her fresh-from-the- airport outfit , starring Toteme's $620 Satin Slingback Mary Janes. Simone Ashley arrived at the 2026 Cannes Film Festival with slingback Mary Janes as her plus-one. (Image credit: Getty Images) The flats began like most Mary Janes : with low vamps and the skinniest of buckled straps across each upper. Lustrous silk satin automatically elevated the shoe trend to red carpet levels of elegance.…