New Delhi, April 13 -- American singer Britney Spears has reportedly entered a substance abuse treatment facility, over a month after she was arrested on suspicion of driving under the influence of alcohol and drugs, the AP reported.

The report, citing a representative for Spears on 12 April (local time), noted that the 44-year-old singer voluntarily checked herself into the facility.

California Highway Patrol said that in March, Spears was reported to officials for driving her BMW "erratically at a high rate of speed" on US 101 in Ventura County near the Los Angeles County line. Following the reports, the pop singer, who lives in the area, underwent a series of field sobriety tests and was later arrested on suspicion of driving under t...