India, Oct. 16 -- Kevin Federline is all set to release his memoir, You Thought You Knew, in the coming days. Amid the hype, an excerpt from the book was obtained by US Weekly, wherein the actor-dancer revealed that his ex-wife, Britney Spears, would allegedly snort cocaine while breastfeeding their sons, Sean and Jayden.

The alleged incident played out during the release party of his album, Playing With Fire, in 2006. Federline also mentioned in his book that when he called out Spears for her act, she went ahead with the divorce proceedings.

In his memoir, Federline went on to reveal that the Princess of Pop said that she would stay at home with their sons, Sean and Jayden. However, he was shocked to see her and his father-in-law at th...