Singer Demi Lovato performs onstage during The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California.
(February 14, 2016 - Source: Kevork Djansezian/Getty Images North America) see more angles »

Demi Lovato Diamond Pendant

Demi Lovato's diamond pendant necklace gave her blazer a heavy dose of glamour at the 2016 Grammys.