Stacie McChesney/NBC/NBCU Photo Bank
WHAT SHE WORE Emma Stone
stepped out on The Tonight Show with Jay Leno
's stage in a leather Monique Lhuillier
dress, cap-toe Louboutins
and gems from Sydney Evan Jewels.
WHY WE LOVE IT
The red hot star owned the room in an eye-popping monochromatic ensemble.