Hayden Panettiere slurred her words and became emotional in final appearance before her death

Hayden Panettiere appeared emotional and at times struggled with her speech during what would become her final public appearance — just months before her heartbreaking death at 36. “Her speech appeared slow and slurred at times during the book signing,” a source who attended the “Nashville” alum’s event at the Harmony Gold Theater on May 26 in Los Angeles exclusively told Page Six. The insider added that a heartbroken Panettiere became visibly emotional while discussing some of the painful experiences she chronicled in her memoir, “This Is Me: A Reckoning.” The source also recalled organizers repeatedly reminding attendees not to record…