First Rihanna stripped down on a farm in Ireland, and now she's shedding her clothes once again for the new Armani Jeans Fall 2011 ad campaign.

In the sexy video, Rihanna is seen wearing a sleek black designer dress in the back of a limo. After a mysterious man hands her a bag, a blonde RiRi emerges from the car in a pair of skin-tight Armani jeans and a sharp leather jacket. Check out the full movie above.

If looks could kill ...