Britney Spears rehab

TMZ has learned that the Los Angeles County Department of Children and Family Services (DCFS) has received numerous phone calls to their hotline … about Britney Spears!

Sources tell TMZ that the Child Protection hotline received calls on Brit's kids and her recent bizarre behavior. The DCFS provides a 24/7 phone number that any resident in the Los Angeles area can use to report or discuss any issue regarding children.

Britney Spears entered a rehab facility earlier this week, and as TMZ first reported, she checked out and flew back and shaved her head. Then she checked into a second facility, Promises in Malibu, on Tuesday.