The Anywhere singer, 27, tweeted a sample of the track along with the caption: “GIRLS IS OUT IN THE UK!! http://atlanti.cr/girls USA you’re next.. midnight EST!! #GIRLSGIRLSGIRLS @iamcardib @BebeRexha @charli_xcx.”
Shortly after the song’s release, rapper Cardi B retweeted praise of the track.
On Thursday, Charli XCX posted a message on Instagram revealing she was about to shoot her part for the Girls music video.
She said: “I’m so happy to be a part of this song. Ever since the day I met Rita she’s been so fun and kind and caring and genuine with me.
“She’s a rare gem, someone who I love and trust and someone who I count as one of my best friends in this weird lil industry.”
She added: “I am so happy she asked me to be on this record with Bebe and Cardi. The song drops tomorrow and I can’t wait for u guys to hear it angels.”
Earlier this week Ora made it on to the list of the UK’s wealthiest young musicians – despite having only released one album.
Ora is worth £16 million, according to figures compiled for the new edition of The Sunday Times Rich List.
The singer, who is set to release a second album later this year, is 11th in the list of wealthiest young musicians.
The Fifty Shades Freed actress has enjoyed lucrative deals with the likes of Adidas and DKNY.