"I didn't know Kurt, but I feel very strongly that he would be exceptionally proud of this film," Frances Bean Cobain told the crowd at the film's L.A. premiere

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Frances Bean Cobain teamed up with her mom Courtney Love to celebrate the Los Angeles premiere of Kurt Cobain: Montage of Heck, in Hollywood on Tuesday night.

This isn’t the first time the mother-daughter duo known to have a tumultuous relationship joined forces for the film, which was made with their support.

Frances Bean even took the stage unexpectedly to say a few words about the film that unflinchingly portrays the life of her troubled father, who killed himself when she was just a toddler.

“Hi my name is Frances Bean Cobain and this is Montage of Heck,” she said. “The reason I wanted to come up here and speak to all of you is because I have seen this movie now six times. Initially upon seeing it, I felt like I could only watch it once. The reason I’ve been able to watch it six times is because of the film Brett [Morgen] made … I didn’t know Kurt, but I feel very strongly that he would be exceptionally proud of this film.

“It touches on some dark subjects but at the end of the day, I think that this film provides fans of Nirvana, or not fans of Nirvana, a basic understanding of who Kurt was as a human being. I think that’s been lost within romanticism and the myth of him and his story. What this movie will provide hopefully is a real understanding of who he was. And I feel like he’d be really proud to have this movie made about him. So I’d like to thank Brett a lot.”

Earlier, Morgen told PEOPLE that he thought the film “has helped Frances have a deeper understanding of her father.”

“I don’t want to put words in her mouth but one of the things she said to me [during our first meeting] was ‘I just met you and I know you more than I know my father. I don’t have any memory of him.’ I think this film was an opportunity to bridge that gap.”

Morgen adds that the chance to be that bridge “was a privilege and an honor.”

“I’m a father of three and the opportunity to give Frances that time with her father that she never had was really important to me. She wasn’t going to go into that storage facility. That would be insane and ridiculous. Someone had to go in there and put this story together for her.”

Kurt Cobain: Montage of Heck debuts May 4 on HBO.