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We honestly don't pay much attention to Rob Kardashian, and while we knew he gained 40 pounds after his split from hottie Rita Ora, we had no idea he was BFFs with The Game!

Rob tweeted a snapshot of the boys and wrote, "Just some of the @60daysoffitness crew after we killed at Runyon." So what is 60 Days of Fitness? It turns out The Game is developing his very own P90X-style workout with his trainer Byrd, so maybe they're looking to make Rob the poster boy for it? Can't wait to watch him melt away those moobs!

And speaking of boobs, this is the mystery lady who Rob has been spotted with over the last few weeks:

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Apparently The Game let it slip that the reality star is secretly dating the gorgeous brunette, as he told photogs that the two are an item, but that they're also looking to keep their relationship on the DL.