United Kingdom, Sept. 20 -- Hayden Panettiere's mom didn't attend her memorial service due to a "family emergency".

The Heroes actress passed away last month at the age of 36, and around 150 of her friends and family members gathered at a church in Malibu, California, on Saturday (19.09.26) for a special celebration of life ceremony.

Hayden's dad, Skip Panettiere, was in attendance but her estranged mother Lesley Vogel wasn't there, though a source told TMZ that reports she hadn't been invited were not true, she was simply unable to attend because of an unspecified family emergency.

The service was described as "emotional and beautiful" and saw Connie Britton and Charles Esten give speeches, while the Nashville actor also sang one of H...