Rihanna's Sexy New Armani Ads

Good girl gone bad, indeed!

Rihanna stars in a new Emporio Armani Underwear campaign. The black and white photos are definitely provocative!

She starts in a t-shirt and jeans, changes to a jean jacket with no bra and shorts, then a camisole, and finally just a bra and panties.

Check out all the sexy photos, below!

Who's the sexier Armani underwear model? Rihanna or Megan Fox?

Tell toofab in the comments below!

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