Christian Grey and Anastasia Steele are returning to the big screen.

Universal Pictures said the Fifty Shades Of Grey stars would be reprising their roles in the sequels Fifty Shades Darker, to be released on February 10 2017, and Fifty Shades Freed, on February 9 2018.

The announcement was made at CinemaCon, a gathering of movie exhibitors in Las Vegas.

The first film opened this year on Valentine's Day weekend and became one of the biggest US R-rated openings yet. It has grossed 568 million dollars (£378m) worldwide.

Stars Dakota Johnson and Jamie Dornan are set to return for the films and author EL James' husband will write the screenplay for Darker.

Meanwhile Vin Diesel announced that the eighth instalment in the Fast & Furious franchise would be released on April 14 2017.