GOOD LUCK CHARM: The winning necklace.
Award season’s most coveted Cate Blanchett is on a sustainability mission and she took it to the BAFTAs red carpet with herself.
The “Tár” actor picked up the Best Actress award at Sunday’s ceremony at the Royal Albert Hall in London in a custom Maison Margiela black silk and velvet gown by John Galliano with a special necklace that she designed with Francesca Amfitheatrof, artistic…