The 43-year-old supermodel, who was earlier dating Russian billionaire Vladimir Doronin, is said to be enjoying a fling with Fassbender, reported Contactmusic.
"They were in a cordoned-off area within the members' area of the restaurant to give them as much privacy as possible. But they didn't mind being seen together and were openly affectionate. At one point, they even started snogging," a source said.
Campbell is apparently smitten with the star, telling friends at the V&A Museum, where she was attending the launch of a fashion exhibition, that she was excited for their date.