Britney Spears’ Ex Jason Alexander Slams Kevin Federline for New Tell-All

Kevin Federline‘s new ebook, “You Thought You Knew,” spills salacious particulars about his ex Britney Spears‘ shortcomings throughout their relationship … however Britney’s first husband is coming to her protection.

Jason Alexander — who was married to the “Toxic” singer for 55 hours earlier than their annulment — took to Instagram to set Kevin straight.

Jason wrote, “You don’t get to tell half the story. Not when you were in the middle of it.”

He continued, “It’s easy to point fingers now, to talk about Britney’s struggles like you were just some innocent bystander watching it all happen. But that’s not what went down.”

In reality, Jason alleges KF was really feeding off of “the drugs, the alcohol, the chaos” that was Britney’s life on the time.

In an excerpt from the ebook, obtained by USA Today, Kevin accused Britney of dishonest on him with a feminine dancer early on of their relationship throughout a tour cease in Amsterdam. As tough as that sounds, he isn’t getting any sympathy out of Jason.

Jason mentioned, bluntly, “Let’s be honest — you became a millionaire off of her pain.”

Jason clarified he does not have an issue with Kevin giving his facet of the occasions that occurred of their relationship … he simply desires him to carry himself accountable for his position in issues as nicely.

“Don’t pretend you were the victim or the hero,” he wrote. “Because those of us who were really there — who actually cared about her, not the fame — we remember how it really went down.”