Hayden Panettiere's ex-partner is grieving her death, expressing profound sorrow. The two had a child together, an 11-year-old daughter named Kaya.

The couple's daughter is now left without her mother, with her father presumably taking care of her.

Further details about Hayden Panettiere's death and its impact on her family can be found through additional reporting, but for now, it is known that her ex-partner is deeply affected by her passing.