2 Chainz entered a guilty plea at Los Angeles Superior Court Monday (May 5) for getting caught with promethazine at LAX last June.

According to Billboard, Chainz copped to misdemeanor possession of a controlled substance (the felony charge was dropped) and was sentenced to 18 months in a drug diversion program, plus three years' probation.

Judge Keith Schwartz gave him a special-made bracelet that reads, "Stay Clean and Sober."

"I think it all-important for people in the entertainment industry to give a positive attitude," Schwartz said, callling Chainz a role model and reminding the 36-year-old to act like his mother is always watching.

Chainz had the codeine in his checked baggage.

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(Photo: Judy Eddy/WENN.com)