Drew Barrymore doesn't often need help opening up about her past or being candid about her life, but a recent interview on The Drew Barrymore Show made her see her approach entirely different.MORE: Drew Barrymore celebrates her daughter's birthday with an adorable photo you can't missThe actress sat down with Jennette McCurdy, former Nickelodeon star and author of the instantly viral book I'm Glad My Mom Died, and the two discussed having difficult, and often abusive, relationships with their moms.The two could instantly relate to one another having been raised in the spotlight, and though the iCarly actress is nearly two decades younger than the host, Drew was keen on getting advice from her about opening up about having faced parental abuse.WATCH: Drew Barrymore stuns with filter-free appearance inside quirky homeMORE: Drew Barrymore steps out with Jimmy Fallon and Gayle King for celebratory nightJennette's mom passed away nearly ten years before she wrote a book about their traumatic relationship, and speaking of her bold book title, the host asked her: "Do I have to wait to tell all my truths? I don't know if I can do it because certain people are alive?"She had a simple yet blunt response, replying with: "If saying the truth ends a relationship then it's probably a relationship that needed to end."As they continued to have their deep and frank conversation, Drew was not shy about admitting she was hoping to get advice from her guest, telling her: "I relate to your journey so much, I feel like I have a lot to learn from you."The candid conversation was insightful for bothThe Charlie's Angels lead has previously opened up about her difficult childhood, and she had a very public emancipation from her mother, Jaid