Amanda Seyfried was simply filming a commercial for Tiffany & Co. Little did she know, her look would immediately inspire our next fashion purchase. Her drop earrings were so simple yet stunning — ideal for the upcoming season and beyond. And while the pair worn by The Handmaid star might be a splurge for some, we spent hours searching for a lookalike and found it. . . on sale for only $13. While filming in downtown Manhattan, Seyfried wore a bl…