Hayden Panettiere's boyfriend, Brian Hickerson, reportedly told police she struggled with drug, alcohol and nitrous oxide abuse.

Hayden Panettiere was remembered by family, friends and former co-stars at a memorial service, but it was who wasn't there that prompted speculation.

Brian Hickerson gave a brief on-camera remark about Hayden Panettiere’s death at a Greenville, South Carolina gas station on ...

Hayden Panettiere’s family and friends gathered for her private memorial in Malibu, but her mother Lesley Vogel and former boyfriend Brian Hickerson were reportedly not invited.

Hayden Panettiere's boyfriend Brian Hickerson reportedly "understands" why he was left off the guest list for her celebration of life, RadarOnline.com can reveal. Hickerson and his brother, Zach ...

Brian Hickerson reportedly 'understands' why he wasn't invited to Hayden Panettiere's memorial as he continues grieving her ...

The late 'Heroes' star's loved ones gathered to celebrate her life, but her on-and-off boyfriend was left off the guest list.

Brian Hickerson, Hayden Panettiere’s on-again, off-again boyfriend, “understands” why he was left off the guest list for her celebration of life, which is set for Saturday, one month after her death.

The actress tragically passed away in August ...

Hayden Panettiere’s mom Lesley Vogel and boyfriend Brian Hickerson were reportedly not invited to the actress’ private Malibu ...

Brian Hickerson and his brother Zach understand why they were not invited to Hayden Panettiere's celebration of life ... and ...

The “Nashville” alum died on Aug. 16 in Greenville, South Carolina, at 36 years old. The investigation into her passing remains ongoing.