Sofia Richie is tanned and toned in a dark green string bikini during lavish St. Tropez getaway

Sofia Richie shares a kiss with fiancé Elliot Grainge during holiday in the South of France

Sofia Richie shows off her golden tan as she soaks in the sun with fiancé Elliot Grainge on a boat

Sofia Richie shows off her taut abs in a lilac bikini with fiancé Elliot Grainge in St Tropez