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Chace Crawford has officially been charged with a misdemeanor possession charge stemming from his arrest in Plano, Texas on June 4.

The Plano Police Department confirms to X17online that the Gossip Girl star has been charged with possession of less than 2 ounces of pot.

According to officers who were at the scene, Chace was in a 2003 Nissan 350Z with a friend ... and an unlit joint.

If convicted, Crawford faces a maximum fine of $2000 and/or up to six months in jail.

His court date has not been announced.