Not Like Us rapper Lamar previously worked with Diamonds singer Rihanna - who hasn't released an album since 2016's Anti - on 2017's LOYALTY.
After Lamar headlines the Super Bowl half-time show on Sunday (Monday Australian time), the pair will find time to head into the studio together for a collaboration that has been on the cards "for a while".
"The track is sonically ambitious and lyrically powerful, reflecting their growth as artists and as cultural icons," a source told the Sunday Mirror newspaper.
"It's Rihanna's first big step back into the music industry."
While Lamar will make history as the first solo rap star to headline the flagship NFL game, he is set to be joined by special guests including SZA.
The 37-year-old rapper announced the news in a promotional video posted on Instagram in January, in which he was seen walking across a football field talking on his mobile phone, saying "I've been thinking about a guest performer" when SZA walks up behind him and throws a bucket of blue liquid all over him.
The half-time show comes shortly before Kendrick and SZA are due to hit the road together for their 2025 Grand National Tour than concludes in Washington DC on June 18.
The pair have previously collaborated on projects including 2017's Doves in the Wind, 2018's All the Stars and December's 30 For 30 from SZA's reissue of SOS (LANA), as well as Luther and Gloria on Lamar's latest Grammy-winning album GNX.Â
SZA - whose real name is Solana Rowe - previously revealed she learns a lot whenever she works with the "genius" rapper and would jump at the chance to create a full record with him.
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