Kevin Federline claims he struggled to get by following the breakup, even with all the money Britney Spears sent him each month for years! In his upcoming new book, You Thought You Knew, which drops on Tuesday, the 47-year-old actor opened up about the financial details of their divorce. He said he received $20,000 per month in child support, as well as another $20,000 a month in alimony for half the duration of their two-year and some change marriage. According to Page Six, he also mentioned a settlement in the memoir but did not disclose the exact amount.