Jim Carrey Becomes Grandfather, Tweets Picture

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At the young age of just 47, Jim Carrey has a new role - Grampa! The actor's daughter Jane and her husband Alex Santana welcomed their first child, a boy, yesterday in Los Angeles.

Jackson Riley Santana, arrived at 12:28 a.m. weighing in at 7 lbs., 11 oz, measuring 20 inches long.

Tweeting about the new arrival, the proud new granddad posted a baby pic and wrote,

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