US pop star Britney Spears arrives at the Los Angeles County Superior courthouse 14 January 2008 for a hearing regarding visitation rights for her two sons that she has with ex-husband Kevin Federline.           AFP PHOTO/Gabriel BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)With Britney Spears committed to a hospital psychiatric ward, it’s now up to a team of professional caregivers — and possibly the legal system — to reverse her downward spiral.