Rihanna Body on the flashline, Narrowly Avoids Nipple Slip At Pre-Grammy Party [PHOTOS]

Rihanna dared the gods of wardrobe malfunctions as she attended the pre-Grammy gala in LA last night.
The What Now singer stepped out wrapped loosely in a yellow dress, baring her midriff and a whole lot of thigh, without any undergarments.
The singer knew she was close to showing off more than was necessary (even though she already had) and had to use her hand to prevent everything from shining like diamonds in the sky.
Check out pictures below.