As of my knowledge cutoff in September 2021, there was no official “House of Kardashian” docuseries that exposed the biggest secrets of the Kardashian family. However, it’s important to note that the entertainment industry is dynamic, and new developments may have occurred since then.

The Kardashian family, including Kim Kardashian, Kourtney Kardashian, Khloé Kardashian, and their siblings, rose to fame through their reality TV show “Keeping Up with the Kardashians.” Over the years, they have shared various aspects of their personal lives with the public, allowing fans to have a glimpse into their relationships, businesses, and challenges.

While reality TV shows often aim to provide intimate access to the lives of their subjects, it’s crucial to remember that not everything shown on screen represents the complete reality of their lives. The editing process and the desire to create engaging content can influence the narrative presented to the viewers.

However, it’s worth mentioning that the Kardashian family members have been open about certain aspects of their lives, including their relationships, business ventures, and personal struggles. Through interviews, social media, and public appearances, they have shared their experiences and perspectives with their audience.

It’s important to approach any information or claims about the Kardashian family with critical thinking and to rely on reputable sources for accurate and verified information. As the entertainment industry continuously evolves, it’s possible that new docuseries or revelations may emerge in the future, shedding light on different aspects of their lives.

In summary, as of my knowledge cutoff in September 2021, there was no official “House of Kardashian” docuseries that exposed the biggest secrets of the Kardashian family. While the family has been open about certain aspects of their lives, it’s important to approach information about them with critical thinking and to rely on reliable sources for accurate information.