Drake & Rihanna Who Do They Think They're Fooling?

Drake and Rihanna are together -- we know it, you know it, they know it -- yet they continue to the charade of separating in public ... this time sitting far apart during Wednesday night's Clippers game.

They seemed to wave and smile at each other during the game, and at one point just couldn't resist the temptation for a big hug -- otherwise .... they kept their distance.

It's pretty ironic ... acting cool at the game but earlier grinding on stage in front of 17,000 people.

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