Megan Fox takes it (almost) all off in a sizzling new advertising campaign that designer Giorgio Armani is set to launch for his Emporio Armani Underwear and Armani Jeans lines.

She's joined by the world's number-one-ranked tennis player, Rafael Nadal, who poses shirtless in separate images.

In one image, Fox stretches out on a leather sofa wearing nothing more than barely-there black underwear and a couple tattoos. For the jeans campaign, the "Transformers" actress dons denim and hugs a bench, showing off her richly tattooed back.

Fox already has an existing relationship with the Italian fashion house as the face of Giorgio Armani Cosmetics. The new black-and-white ads are shot by photographers Mert Alas and Marcus Piggott.

Look for the striking new images to be released next month.