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Lakers star Jordan Clarkson thinks R. Kelly has the best of both worlds ... saying that not only is Kells a R&B superstar but judging from his jump shot ... he's got the skills to make the NBA!!!

Clarkson was out in L.A. when we showed him a video of Kelly draining a 3 before a recent Brooklyn Nets game ... while dressed in a suit .... with a cigar in his mouth.

Check out the clip -- Jordan says it seems like Kelly's ready for the NBA ... with the display of shooting touch more than proving he could hoop with the world's greatest players.