Britney Spears has checked into a treatment facility after she was arrested for driving under the influence. A rep for Spears, 44, confirmed to Us Weekly on Sunday, April 12, that the iconic pop singer voluntarily checked herself into a treatment facility. Celebrity Intelligence was the first to report the news. One month earlier, news broke that Spears had been working on herself since her DUI arrest. Us understood in March that the pop star has been sober since the incident and attending AA meetings.