Jamie Lynn Spears on Britneys Freedom and Finding Her Own Voice With New Memoir ( Exclusive)

Jamie Lynn Spears opens up about her feelings surrounding Britney Spears conservatorship and reveals why she decided to write her book, Things I Should Have Said, out Jan. 18. In her chat with ETs Lauren Zima, the 30yearold explains how much she was privy to in regards to her big sisters conservatorship when it first started. See Jamie express her love and support for the pop star Exclusives from, EntertainmentTonight :