Rita Ora has signed up for the two Fifty Shades Of Grey sequels.

The Hot Right Now singer is playing Mia, the sister of raunchy billionaire Christian Grey, in the first film based on EL James' erotic trilogy, which is due out next year.

And The Sun has reported that she is officially on board for the two follow-ups.

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However, Rita insisted her movie career won't get in the way of her music.

"Music is obviously my main focus in life," she said. "But the movie was planned for when I had time to focus on it."

Fifty Shades Of Grey stars Jamie Dornan as Christian and Dakota Johnson as Anastasia Steele, the young student he seduces.

It is due to be released in cinemas in February 2015.