Lady Gaga has revealed that she and Kendrick Lamar have collaborated on a song titled “PARTYNAUSEOUS,” which is slated for inclusion on his upcoming major label debut good kid, m.A.A.d city.

Breaking the news on Twitter, the pop star, who was pictured hanging out with K. Dot at this year’s Pitchfork Festival, said that the collabo was initially intended for her but became a duet with the rapper. “I am so excited to announce that a record I’ve been working on has now become a collaboration with @kendricklamar for HIS ALBUM,” she wrote.

Gaga also said that the song will release on September 6th and will be titled “PARTYNAUSEOUS.” She elaborated by stating that she wrote her part of the song about Jakarta and what it means to her.

Kendrick’s good kid, m.A.A.d city, is slated for release on October 2nd.

RELATED: Kendrick Lamar Explains Why He Signed To Aftermath & Interscope