Michael Fassbender is rumoured to be dating British Olympian Louise Hazel and to have introduced his new girlfriend to actor Bradley Cooper, according to reports.

The 36-year-old Irish star, who split from his Shame co-star Nicole Beharie in January, is said to have introduced his new love interest to Bradley at a meal in London's Wolseley café last week.

Speaking to Us Weekly as source said: ''They are dating. Michael has been talking to her while also filming X-Men: Days of Future Past in Montreal. He comes back to London to see her.''

Fassbender was previously linked to his X-Men: First Class co-star Zoe Kravitz - daughter of rocker Lenny Kravitz and actress Lisa Bonet - between 2010 and 2011.