The Good Morning, Vietnam actor passed away after hanging himself at his home in Marin County, California, aged 63.
Zelda has openly mourned her father on social media websites, and now her friend Frances Bean has offered the grieving 25 year old a shoulder to cry on.
Frances, whose Nirvana rocker dad Cobain died in 1994 when she was just 20 months old, writes on Twitter.com, "You have such an incredibly beautiful soul. I love you but you already knew that. Wherever, whenever u need me I'll be there (sic)."