Hayden Panettiere's ex Wladimir Klitschko pays heartbreaking tribute to late star on what would have been her 37th birthday

Hayden Panettiere’s ex Wladimir Klitschko honors late actress with emotional birthday tribute: ‘You will never be forgotten’

Hayden Panettiere’s mother believes her ‘involvement with toxic individual led to her death’

Hayden Panettiere’s 37th Birthday Leaves Fans Heartbroken: ‘Should Still Be Here’