MASKINI:MWANAMUZIKI LAURYN HILL AANZA KUTUMIKIA KIFUNGO CHAKE JELA

Four months after she was sentenced to 3 months in Federal prison for tax evasion, Grammy award winning singer Lauryn Hill has turned herself in...

Lauryn Hill has just reported to federal prison in Connecticut, where she will begin her 3 month sentence for tax evasion.

Officials tell TMZ ... the former Fugees singer was booked into the Federal Correctional Institution in Danbury at 11:15 AM EST. (Yesterday July 8th)

We're told the FCI is a "minimum security type facility" where inmates live in "barracks type" housing.

We're also told 38-year-old Hill will not be isolated in the facility -- and will be housed with the general population.