The British star took to the stage in front of a star-studded audience tonight
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It's been a huge year for Rita Ora and to top it she's just graced the stage at this year's Oscars in front of Hollywood's finest.
The song, written by Diane Warren, is taken from Beyond The Lights and is one of the five nominees for Best Original Song.
Swapping out of her jaw-dropping red carpet gown, the 24-year-old singer slipped into another show-stopper to belt out Grateful on stage at the Dolby Theatre.
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But while Rita looked nothing short of stunning in the monochrome frock, the star's performance was met with a mixed reaction from viewers.
While some applauded Rita's live rendition, others said she wasn't pitch perfect.
"@RitaOr you killed your performance on the Oscars. I love your song 'Grateful'. Also you are looking fabulour! #Oscars2015 #ProudBot."
Another said: "Rita Ora beautiful woman, terrible woman."
For more reaction, take a look below: