Britney Spears has published an open letter to her sons.   

  The Grammy winner took to Instagram on Thursday to respond to an interview her son Jayden Federline, 15, gave for an upcoming UK ITV documentary about the Federline family.   

  The documentary was previewed by the British newspaper DailyMail, and an article about the interview was written by filmmaker Daphne Barak for the tabloid.  Photos of the Federline family are shown, including their father, Kevin, and other family members, including Spears’ other son, Sean Preston, 16.   

  In the article, Barak writes, “They are both beautiful, creative and curious about what life can offer them.”   

  Jayden Federline reportedly said that even though he chose not to see his mother for several months, he hopes time will heal their family.   

  “I love you so much,” Jayden Federline said of his mother.  “I hope the best for you.  Maybe one day we can sit down like this and talk again.”   

  In Spears’ post she wrote: “I tell my son Jayden I send you all the love in the world every day for the rest of my life!!!!  My love for my children knows no bounds.”   

  Federline reportedly addressed the challenges that both he and his older brother, who did not do an on-camera interview for the documentary, have felt in recent years.   

  “We’ve both been through so much pressure in the past that this is our safe place now, to process all the emotional trauma that we’ve been through to heal, to heal our mental state,” Federline is quoted as saying in the documentary.   

  Spears appeared to respond to those specific comments in her post, writing, “I am deeply saddened to learn of his outcry that I did not live up to his expectations of a mother.”   

  Spears also took issue with her son’s defense of their father, Kevin Federline, and her parents, Jamie and Lynne Spears.   

  Spears’ Instagram post comes days after the star posted and then made private a 22-minute audio clip on YouTube in which she addressed her conservative life and the alleged abuse she says she received from her family.   

  CNN has reached out to Spears’ representatives for further comment.