The Twilight star and former model, 27, is pictured fully clothed in a bath tub in the photo, which was posted on the official Dior Twitter page today (July 13).
The black and white photo from the Dior Homme campaign shows actor Robert looking relaxed and happy - unlike moody Twilight hero Edward Cullen who he played for five years.
Wearing a suit and looking at a woman just out of shot, the picture follows some images released last month which show the star kissing a sexy blonde.
The teasers are part of a series of photographs taken by Nan Goldin for the new campaign debuting in September.
Dior announced Robert as the new face of the brand in a statement last month. He is being paid a reported £12million for the deal.
Recently it was rumoured that Rob had moved on from his split with Kristen Stewart with the granddaughter of Elvis Presley, Riley Keough.
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