Watch Vin Diesel Cover Rihanna's 'Stay'

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Vin Diesel may be best known for kicking ass on the big screen, but the Fast & Furious star would also like you to know he's super sensitive.
Case in point: Vin covered Rihanna's Stay last night and posted the video to his Facebook page (via) as a Valentine's Day gift to "V's Angels."
Best. Gift. Ever.