Hayden Panettiere is entering treatment for postpartum depression. A spokesperson for the actress said in a statement that the Nashville star is voluntarily seeking professional help at a treatment center while battling postpartum depression. She asked that the media respect her privacy during this time. Panettiere gave birth to her daughter in December. It’s the first child for the 26-year-old actress and 39-year-old professional boxer Wladimir Klitschko. Panettiere also starred in the NBC series Heroes and the film Scream 4.