"It's been on my moodboards forever," said pop queen and co-host Dua Lipa of her white-and-black tweed Chanel Bride ball gown from the '90s. Her accessory, however, stole the whole show. She rocked a never-before-seen Tiffany & Co. white Legendary diamond necklace. And there is no topping this because the bling is over 100 carats!