(breakingnews.iol.ie) - Britney Spears is cleansing her system of toxins thanks to regular colonic sessions, according to reports.The 'Toxic' singer has been making regular trips to a Beverly Hills clinic as part of a bid to adopt a new positive lifestyle after a year of mental health issues. A source told Britain's Daily Mirror newspaper: "Cleansing a few times a week gets rid of lingering stuff in the colon. Britney's had the treatment before and says it makes her feel great, more upbeat and energetic."