Lindsay Lohan was “shocked and upset” to hear that her father signed up for “Celebrity Rehab” … telling friends she’s worried he’ll embarrass the family.

Read more: Michael Lohan Celebrity Rehab, Lindsay Lohan, Michael Lohan, Michael Lohan Dina Lohan Divorce, Michael Lohan Lindsay Lohan, Michael Lohan Child Support, Lindsay Lohan Celebrity Rehab, Lindsay Lohan Child Support, Michael Lohan Celebrity Rehab Child Support, Michael Lohan Divorce, Divorce News