OBSESSED with Kate’s ‘Song Sung Blue’ Co-Stars

Ella Anderson and King Princess play Kate's daughters in the film "Song Sung Blue," so it's no surprise they feel - and sound - just like family. Here, they meet Uncle Ollie for the first time and take us all inside the journey to get this movie made. Find out how Ella almost sabotaged her way out of the audition, why KP says she knew she'd click with Kate right away, and what they say Hugh…