Meghan Markle and Prince Harry reportedly went out on their first date in July of 2016 after being set up on a blind date by a mutual friend, and quickly got serious, although the timeline of their romance has recently been called into question by royal biographer Tom Bower.

When the couple was ready to walk down the aisle, the Duchess of Sussex wanted to pay homage to her first meeting with her soon-to-be husband. So, as she related, her "something blue" was "fabric from the dress that I wore on our first date," which she had sewn into her bridal gown (via Harper's Bazaar).

Flash forward to this summer in New Orleans and "The White Lotus" actress and bride Alexandra Daddario turned to her idol for her "something blue." No, the star didn't sew a swath of material from her first date with Andrew Form into her Danielle Frankel wedding gown (via People). Instead, Daddario recruited an accessory first made famous by Princess Diana.