French Montana invited Busta Rhymes to his release party for Mac & Cheese 5.

The 51-year-old wasn't a very good guest.

Here's a video of Busta scuffling with 23-year-old rapper Nizzle Man.

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We don't know of any preexisting beef between Busta and Nizzle.

So maybe it was the steroids.

Speaking of roids, French's mixtape has 126 tracks!