Credit: Doug Meszler/Splash News.

There were the sheer shirts, the Gaga-esque lack of pants, and now, this: nothing at all.

A new Times Square billboard for Rihanna's fragrance Rebelle features the pop star in her birthday suit, shielding her naughty bits from tour bus gawkers and cabbies with strategically placed arms and knees.

Rihanna posed topless for the latest edition of Esquire UK and stepped out in New York Monday wearing a bra top that revealed her nipples. What's next, a dress made out of scraps of tissue paper? Oh wait, she already did that.