Sydney Sweeney boned up on her red carpet history. The “Housemaid” star, 29, paid homage to Cate Blanchett’s 2005 Golden Globes look — a cornflower blue Jean Paul Gaultier design with an airy sheer cape — in a custom look-alike gown. Sweeney shared a mirror selfie in the dress over the weekend as part of a carousel of summer snaps, though it’s unclear what occasion called for the black-tie moment. Her modern update was designed by the Paris-based label Guérin. The blue silk georgette draped from the shoulder and hugged her waist, with a single silk flower pinned at her hip. Designer Antoine Guérin shared close-up photos of the details,…
