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"River" is now tattooed on Granger Smith's arm as a tribute to his son who drowned earlier this month.
(Undated) -- Granger Smith has a new tattoo in memory of his late son.
The singer was seen this past weekend at the LakeShake Music Festival with River's name tattooed on his right forearm.
Three-year-old River died earlier this month in a drowning accident at the family's home in Texas.