Britney Spears is charged with driving under the influence in connection with an arrest in California, according to reports from multiple outlets. Officers observed her driving fast and erratically on a California highway in March and later arrested her. The accounts say the alleged DUI involves both drugs and alcohol. After the arrest, Spears checks herself into a treatment facility, where she undergoes a stint of rehabilitation, before or around the time the charges are reported. One outlet describes the decision to seek treatment following the DUI arrest, while another focuses on the arrest and the subsequent time in a rehab facility. The reports do not provide additional details about the specific charges beyond the DUI allegation, and they do not include information from court filings in the material provided. The case is presented as ongoing, with the charge and the treatment check-in forming the central reported elements across the sources.