First introduced by Elsa Peretti for Tiffany & Co. in the 1970s, the (you guessed it) kidney bean-shaped pendant—minimal, ...

By the end of the red carpet, viewers knew Swift had not jetted from her recent Florida date to the Fountainebleu Las Vegas.

It turns out that this is hardly new. The ancient Egyptians loved flower-theme jewelry—they thought it symbolized fertility.