Aaron Carter reportedly was arrested Saturday on DUI and drug charges in Georgia.
ABC News reported that the 29-year-old singer was charged with DUI, as well as possession of less than 1 ounce of marijuana and "drug-related objects," according to the Habersham County Sheriff's Office.
Carter's girlfriend, Madison Parker, also was arrested on charges of possession of less than 1 ounce of marijuana, possession of drug-related objects and obstruction of officers, the Sheriff's Office said.
Carter bonded out of jail Sunday. Parker was still in custody, according to jail records.
According to "Entertainment Tonight," Carter, younger brother of the Backstreet Boys' Nick Carter, had been slated to perform in Kansas City, Missouri, on Saturday. His official Twitter account posted that the singer would not "make his set time" because of "transportation issues."