Britney Spears fight for freedom. Inside her new documentary that has celebrities coming to her defense. And, Britney's boyfriend breaks his silence about her dad. Then, why J.Lo and A-Rod are in therapy. And, remembering music legend Mary Wilson. ET looks back at our time with The Supreme singer. Plus, our exclusive with Priyanka Chopra Jonas. What you never knew about her Hollywood start and romance with husband, Nick Jonas.