Kevin Federline is claiming that Britney Spears cheated on him whereas on tour in an excerpt from his upcoming memoir, You Thought You Knew.

Whereas Federline's guide doesn't come out till Oct. 21, USA Today printed an unique excerpt on Wednesday detailing the allegation in opposition to his ex-wife. Within the excerpt, confirmed by Leisure Weekly, Federline claims that he caught Spears "full-on making out" with a feminine dancer referred to solely as "Theresa" whereas they have been in Amsterdam, resulting in their "first struggle."

"It was speculated to be unforgettable – iconic metropolis, vibrant nightlife, and the sort of freedom you may’t discover wherever else. However for me, it grew to become unforgettable for different causes," Federline writes of becoming a member of Spears in Amsterdam for the European leg of her tour. "The evening began out easy sufficient. All of us went out: me, Britney, and among the dancers and workers from the tour, together with Theresa, the lady who launched us at Joseph’s."

Federline claims that Spears disappeared once they obtained again to the resort, so he went on the lookout for her.

"As I handed one of many rooms, I glanced inside – and froze. There she was. Theresa was sitting on the sting of the mattress. Britney stood between her legs, fingers on her face, they usually have been f—ing going at it. Full-on making out," Federline claims. "It was a type of moments that hits you so quick, your mind can’t even start to course of it. You simply stand there, surprised, undecided what’s actual. I didn’t say a phrase."

Federline alleges that Spears and the girl noticed him by the door, and he walked away.

"My coronary heart was racing, however not with pleasure. It was one thing colder, a sudden readability," he writes. "This wasn’t what I signed up for. So I obtained the hell out of there. As quickly as I obtained again to our room, I grabbed my suitcase and began packing. At that time, I cared about nothing else – I simply needed out."

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Federline claims that Spears apologized to him and promised that "it will by no means occur once more" when he threatened to depart.

"She advised me she didn’t understand how severe I used to be about us, that she was overwhelmed, and it had been a mistake," he claims. "For a second, I noticed her vulnerability. She was determined for me to remain. Begging me. I might inform she meant it. However I used to be nonetheless livid. Nonetheless damage. I advised her that I wasn’t there for the 'additional s—,' as I referred to as it. I wasn’t fascinated with a relationship that concerned greater than two individuals. I wasn’t judging her. I used to be merely laying down boundaries."

Federline says that evening was "a turning level" of their relationship.

"I feel it was the second she realized I wasn’t there for the celebrity or the perks," he writes. "I used to be solely there for her. The truth that I used to be able to stroll away, even after every thing I had already given as much as be together with her, proved it was actual. Within the days that adopted, one thing appeared to vary between us. She grew to become extra intentional, extra considerate about how we have been collectively. It felt like we have been actually beginning to determine what we meant to one another."

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EW has reached out to Spears' representatives for remark.

Concerning Federline's guide, a rep for Spears beforehand stated in an announcement to EW: "With information from Kevin’s guide breaking, as soon as once more he and others are profiting off her and sadly it comes after youngster assist has ended with Kevin. All she cares about are her youngsters, Sean Preston and Jayden James, and their well-being throughout this sensationalism. She detailed her journey in her memoir."

Spears and Federline have been married for 3 years, from 2004 to 2007, and share two sons collectively: Sean Preston and Jayden James.

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