Mastercard, who is the official sponsorship for the Brit Awards 2020, confused two of this year's nominees on social media.
In a now-deleted post, the sponsor's official Twitter account announced that a photo of FKA Twigs was Charli XCX.
Both artists are nominated for Best British Female Solo Artist alongside Mahalia, Mabel and Freya Ridings.
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This year's nominations were criticsed for being dominated by men, with only one British female artist nominated out of 25 available slots in mixed-gender categories
"I don't know whether to laugh or cry," one tweeter wrote in response.
This year's ceremony, which marks its 40th anniversary, is being presented by Jack Whitehall.
British singer Mabel kickstarted the evening with a performance of "Don't Call Me Up".
The event will also feature performances from Harry Styles, Stormzy and Billie Eilish, who will sing new Bond theme No Time to Die.