Kevin Federline reacts to Britney Spears entering rehab after DUI arrest Kevin Federline wants ex-wife Britney Spears, the mother of his sons, to "follow" and "complete" her treatment plan. 14 April 2026 Kevin Federline is "happy" Britney Spears has entered rehab after her recent DUI arrest. Kevin Federline has spoken out after Britney Spears entered rehab The 48-year-old pop star's representatives confirmed over the weekend that she has voluntarily entered a treatment facility five weeks after being arrested on suspicion of driving under the influence of drugs and alcohol early last month.