Children and teens — especially those in the care of the foster system — should never be subjected to improper use of restraints, or isolation while they are meant to be receiving treatment,” Newsom said in a statement.

A bill championed by Paris Hilton requiring state oversight and increased transparency at youth residential treatment facilities became law on Friday.

Gov. Gavin Newsom signed a California bill into law that would increase protections for youth placed in treatment facilities, a measure backed by celebrity Paris Hilton.

Children and teens – especially those in the care of the foster system – should never be subjected to improper use of restraints, or isolation while they are meant to be receiving treatment," Newsom said in a Friday release.