A Dangerous Method - Keira Knightley - Michael Fassbender - premiere - party

Rex

A Dangerous Method - Keira Knightley - Michael Fassbender - premiere - party

Rex

The A Dangerous Method trio, Keira Knigthley, Michael Fassbender and Viggo Mortensen, were in high spirits at the London premiere of A Dangerous Method, staying out to dance the night away following the star-studded screening.

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Causing jaws to drop in a floor-length burgundy Burberry dress that was custom-made for the Brit beauty, Keira opted for screen siren glamour with smokey eyes and her hair swept to the side in an undone up-do.

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Meanwhile, Michael rocked a cool casual look and Viggo looked super dapper in a white suit buttoned-up over a black tie.

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All three stars hit Mayfair hot spot, 34, for supper and a some serious celebration that saw Michael and Keira turn the restaurant into a dance floor!