UPDATE: Chace Crawford Charged with Possession of Marijuana

Chace Crawford, seen here in his mug shot, now faces a charge of possession of marijuana after his arrest earlier this month.

Authorities in Collin County Texas where he was apprehended tell ET that the actor has now been officially charged with one misdemeanor charge of possession of marijuana.

If convicted, the "Gossip Girls" star faces a maximum of six months behind bars, officials say.