"Live free, fast and strong. Robert Pattinson for Dior Homme Fragrance Stay tuned… #DiorRob," they captioned the snap.
In the image, the Twilight star cuts a reflective figure as he sits alone on a rooftop.
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This is the latest in a series of teasers that the fashion house have released of their campaign with Robert.
Back in June they gave fans the first glimpse of the collaboration – a black and white photo showing the 27-year-old sporting a roundneck sweater and a beard.
Dior also held a swanky bash at West Hollywood's Soho House , where they revealed the video advertorial starring the actor, who recently split with Kristen Stewart.
While the video has not been officially released, guests at the event took to Twitter to share previews.
After months of speculation about a partnership between Robert and the French fashion house, Dior finally confirmed the news in June. Speaking to E! News, a spokeperson said, "Robert Pattinson has been announced as the new face of fragrance Dior Homme.
"Robert has been photographed for the campaign by American artist Nan Goldin and filmed by French director Romain Gavras, which is currently being broadcast exclusively in Europe (excluding the U.K.) and Asia (excluding China and Japan).
"Today we are excited to announce that Robert Pattinson will join the privileged circle of Dior faces," added the statement. "He has since proven the scope of his acting talents by choosing films as varied as Remember Me by Allen Coulter, Water for Elephants by Francis Lawrence, in which he starred alongside Reese Witherspoon, or with his role as Bel-Ami, the famous Maupassant character."
HELLO! Online reported back in March that Robert had bagged a reported £8million for the campaign.
The video campaign is said to be described as "pushing the boundaries".
"The advert is sexually explicit," a Dior source told The Sun. "It is pushing the boundaries of what you can get away with in advertising."