Rihanna's Spiked Look

A waist belt would be the expected accessory for the structured-shoulder jumpsuit Rihanna wore to London's Jingle Bell Ball. But instead, the singer used Burberry Prorsum's spiky statement necklace to toughen up what would have been a fairly conservative outfit. The contrast is the epitome of fierce chic.

The intrepid fashionista did add playfulness to her look with happy—and sad—face nails (keep reading to see her yellow talons). But we suggest toying with color in your accessories.

Shop the bright necklaces in the gallery below, then head over to mystyle's Style Shout-Out gallery to see who else rocked the red carpet.