Rita Ora

Rita Ora took time out from filming "Fifty Shades of Grey" to attend the Grammy Awards in Los Angeles. (Wally Skalij / Los Angeles Times)

When British singer Rita Ora took a break from the set of "Fifty Shades of Grey" to attend the Grammy Awards on Sunday, she shared her thoughts on the hotly anticipated film. She said the movie, adapted from E.L. James' bestselling erotic novel, will be an "amazing shock."

Even better than amazing, actually. The movie's release is "gonna be the biggest and most amazing shock ever," she told MTV, adding that she's "so excited" for it.

Ora is playing Christian Grey's adopted sister Mia. Grey is the bondage-happy billionaire who sweeps innocent college student Anastasia Steele off her feet and into his bed (and a number of other places.)

James' novel is the start of a trilogy: "Fifty Shades of Grey," "Fifty Shades Darker" and "Fifty Shades Freed." Originally published by a tiny independent publisher, the books were an underground phenomenon that made their way to the top of bestseller lists and a major publishing deal -- which was quickly followed by a movie deal.

Sam Taylor-Johnson is directing the picture, which stars Jamie Dornan as Christian Grey and Dakota Johnson as Anastasia Steele.

The movie is slated for release in time for Valentine's Day 2015.

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