Just ask Crown Princess Victoria of Sweden. The heir to the Swedish throne most recently paired an ornate, 119-year-old diamond tiara with a dress from the most surprisingly accessible brand.

Cara Delevingne attends the 95th Annual Academy Awards Getty Images Tiaras are also apparently a no-no for black tie (just in case you had one lying around). Although the dress code is ‘black ...

Shop accessories to wear for the rehearsal dinner, the post-nuptial receptions, and even for your walk down the aisle.

According to the the blog, the tiara-necklace hybrid has a connection ... She took a page out of Kate Middleton's book by rewearing the H&M dress that she originally wore for her 10th anniversary ...