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Big Sean got the new week started off right, hitting the studio with a few big names over the last 72 hours. “@Calvinharris x Sean Don workin on Sunday, that’s always tho #FFOE,” Sean posted on Instagram, taking a break from working on new music with hitmaking Scottish DJ-producer Calvin Harris.

On Tuesday night West Coast time, the G.O.O.D. Music rapper spent some time with Rihanna, who was sporting a “Trapstar” shirt and colorful bucket hat. RiRi later posed for pic in the smoke-filled studio with Big Sean and Finally Famous artists SAYITAINTTONE and Earlly Mac.

Continue after the jump…..

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Photos via Big Sean’s Instagram

Previously: Studio Life: Ma$e and Jim Jones (Photo)