Bethenny Frankel mourns the loss of her selfish mother Bernadette Birk who fought demons before dying of lung cancer [Video]

BETHENNY Frankel has been mourning the loss of her mother Bernadette Birk who has died from lung cancer.

The Real Housewives of New York City alum has been open about her complicated relationship with her mother.

Bethenny has posted several tribute photos beside Bernadette on her Instagram.

The pictures spanned over decades featuring rare childhood pictures of Bethenny and even shots from one of her weddings.

Her last photo in the carousel post was a recent picture of her mother beside her daughter Bryn, who she shares with her ex-husband Jason Hoppy.

“My mother has died of lung cancer,” Bethenny confirmed to start off her lengthy tribute.

“She was complex, in pain, isolated and had demons. She was the most stunning woman you have ever seen, who left her abusive home as quickly as I ran from …