The Fifty Shades of Grey sequels will be released on Valentine's Day in 2017 and 2018, it has been announced.

The second instalment of the franchise, Fifty Shades Darker, will be released on February 10, 2017, while the third film, Fifty Shades Freed, will debut on February 9, 2018.

It was revealed this week that screenwriter Kelly Marcel has been replaced by author EL James' husband Niall Leonard to adapt Fifty Shades Darker.

A new director is being sought for the sequel after the original film's director Sam Taylor-Johnson leaving the project.