April 13 (UPI) -- Britney Spears is going to rehab. The icon checked into a treatment center on her own volition, multiple media outlets reported over the weekend. The move comes just over a month after her March 4 arrest in Ventura, Calif., when she was suspected of driving under the influence. Spears' blood alcohol content had been measured at a hospital, but the results of that test have not yet been shared. "Britney is going to take the right steps and comply with the law and hopefully this