The actor is fighting back following catty comments about his physique.
Vin Diesel says he was body shamed over an image showing him with a bit of a belly.
One catty comment online said the action star now has a "dad bod."
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But Diesel is hitting back -- fast and furious. He posted two photos on Instagram. One of the photos shows him with his shirt on wondering if he should amuse the body shamers.
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In another he pulls up his shirt to show off rock hard abs with the message:
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