Happy Valentine's Day from Vin Diesel. Last year, he did a karaoke rendition of Rihanna's "Stay" and it was ... miraculous. This year, he covered Gwen Stefani and Adam Levine's "My Heart Is Open" for your viewing and listening pleasure. It's not his best work, but watching it is certainly less confusing than watching "Fifty Shades of Grey" this Valentine's Day.
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