New Delhi, Oct. 15 -- Kevin Federline has revealed a surprising detail from his past with Britney Spears, claiming that the pop star called her ex-boyfriend Justin Timberlake the night before their 2004 wedding. He said Britney wanted to "say her final piece" and find closure before officially starting her new life with him. Britney Spears has responded to these claims.

While promoting his new memoir, You Thought You Knew, Kevin Federline told Entertainment Tonight that on the night before his and Britney's wedding, he discovered she was on the phone with Timberlake, two years after their breakup. "I thought she was talking to her mom," he recalled. "Then she told me she was on the phone with Justin."

He said Britney wanted to "make sur...