1 / 106

Jessica Biel

Jessica Biel steals the (pre-) show in this silver-and-gold KaufmanFranco sparkler with a Tiffany necklace. Or, as her date, her husband Justin Timberlake, remarked: “I call it perfection, baby.”
(Photo by Jordan Strauss/Invision/AP)

Go here to vote for best and worst dressed.