Kevin Federline is spilling the tea on his relationship with ex-wife Britney Spears in his new book, You Thought You Knew, including a wild night she allegedly had with dancer Teresa Espinosa.

Britney Spears has further responded to allegations made about her by her ex-husband Kevin Federline.

Federline claims security wouldn't let her in because she was allegedly "in no condition to be around our kids."