Her blue and white floral dress was very classic but her crystal necklace and snake print heels certainly weren't ...

The Cate and Chloe Swarovski Crystal Necklace is on sale right now for only $18. The original price of this necklace is $121, which means the current discount is a whopping 85% off.

Why is the $495 Retreat crystal necklace by Maya Brenner and Abigail Spencer suddenly all over Hollywood — from Viola Davis to Jessica Chastain?