Kevin Federline responded to speculation over the intentions behind his upcoming memoir, You Thought You Knew.

In an interview with Entertainment Tonight, published online on Tuesday, October 14, Britney Spears’ ex-husband was asked if he had released the book “because the child support ended with Britney.” (The former couple were married from 2004 to 2007 and share sons Sean Preston, 20, and Jayden James, 19.)

Federline initially smiled once the question was posed before responding with, “You want to go there right away? Alright. I’d be lying if I said that I didn’t want this book to be successful. I wish I’ll sell a million books or more, or whatever.”

The DJ and professional dancer, whose 228-page book will be released on Tuesday, October 21, added, however, that “money is not at the

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