Rihanna Strips Down to Her Bra and Panties for Armani Underwear Ads [PHOTOS]

As we previously reported, Rihanna is the face of Armani Jeans & Underwear for the upcoming Autumn/Winter 2011-12 season. We showed you a shot from the batch of promo ads, but now Armani has rolled out another set of photos of the singer, wearing just a bra and panties, showing off her amazing body.

Check out more shots below!