Former White House press secretary Karine Jean-Pierre announced she's no longer part of the Democratic Party amid plans to write a tell-all memoir about the "broken" administration she served under former President Joe Biden.

Jean-Pierre, who served the role in Biden's administration for two years and eight months, stunned her fellow colleagues when she announced the release of Independent: A Look Inside a Broken White House, Outside Party Lines, which is set to be released on October 21.

“Jean-Pierre didn’t come to her decision to be an Independent lightly,” a Hachette Book Group promotional release obtained by the New York Post states.

“She has served two American presidents, Obama and Biden … She takes us through the three weeks that led to Biden's abandoning his bid for a second term and the betrayal by the Democratic Party that led to his decision,” the tease added. “In a hard-hitting yet hopeful critique, Jean-Pierre defines what it means to be part of the growing percentage of our fractured electorate that is Independent, why it can be worthwhile to carve a political space more loyal to personal beliefs than a party affiliation, and what questions you need to ask yourself to determine where you fit politically.”

Biden backed Jean-Pierre amid criticism that she was ineloquent and unprepared, which came from both detractors and rivals from within his administration.

“I think we need to stop thinking in boxes and think outside of our boxes, and not be so partisan,” Jean-Pierre said in an Instagram post shared on Wednesday (June 4), “… this book ‘Independent’, it’s about looking outside of boxes, not just always being in a partisan stance.”

Jean-Pierre's planned book is among several detailing alleged controversies within the Biden administration following the recent release of Original Sin: President Biden's Decline, Its Cover-Up, and His Disastrous Choice to Run Again by CNN's Jake Tapper and Axios's Alex Thompson.