50 Cent is joined by former rival Jadakiss on the song "Irregular Heartbeat," the latest weekly release from his new album Animal Ambition. The two rappers are also joined by Kidd Kidd as they trade bars over a sinister instrumental produced by G Rocka & Medi. Animal Ambition: An Untamed Desire To Win drops June 3.

[via HHNM]

UPDATE: 50 waste's no time in dropping the video for the record, which can be seen above.

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