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Big Sean and Metro Boomin are working on a new joint album.

The two hip-hop stars revealed the project, called Double or Nothing, in a newly published interview with Billboard. As of this writing, it's currently being mixed and doesn't yet have a release date set.

It's hardly the first time the two artists have worked together, as Metro Boomin contributed production to Sean's "Bounce Back," the lead single from his album I Decided, which was released earlier this year. 

Double or Nothing will also follow a string of his collaborative projects, having teamed up with Nav for Perfect Timing in July and then in October with 21 Savage and Migos' Offset for Without Warning.

Despite the lack of release date for Double or Nothing, it's worth noting Big Sean tweeted late Thursday night he "ain’t done wit 2017 yet."

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Update (Dec. 5): The album is coming this Thursday night, officially Friday (Dec. 8).

I ain’t done wit 2017 yet...

— Sean Don (@BigSean) December 1, 2017