Heather Locklear, known for her roles in "Melrose Place" and "Dynasty," has been spotted acting erratically in Malibu, California.
In pictures obtained by The Post, Locklear is seen balancing on the ledge of an office building after an undisclosed appointment on June 29.
Locklear has a history of struggles with substance abuse and mental health issues.
She is seen holding onto the building's pillars, wearing black flip-flops, a camouflage short-sleeve shirt, and matching joggers.
Locklear appeared to be reading aloud from a journal while sitting on the outdoor steps, as captured in disturbing video footage and photographs.
At one point, she aggressively pointed at something in the book, slammed it shut, and continued talking to herself before descending the stairs.
Friends are allegedly concerned that Locklear may have started drinking again, raising fears for her well-being.
Heather Locklear has been referred to as the "secret weapon" due to her ability to save ailing shows like "Melrose Place" and "Spin City."