Rapper's song with Lady Gaga leaks

Remember when Lady Gaga said Kendrick Lamar was her favourite rapper? The eccentric singer stated that the Los Angeles rapper was her favourite Hip-Hop act.

In 2012, the pair got real close and worked on an unreleased song 'Partynauseous'. The song never got featured on Kendrick Lamar's classic 2012 album '

Gaga ended up using another version of the song on her last solo album . The original track has leaked and you can hear the full track HERE.