Rihannashut up rumormongers who claimed sheused a "body double"in herArmani underwear adby stedrepping out in a see-through top in New York City on Monday.The singer, who has apenchantforshowing off her bodyin racy outfits, revealed her nipples in a lace bandeau bra.So, does anyone still believe Rihanna demanded a body double for her Armani commercial?