Watch Janis: Little Girl Blue (2015) HD Full Movie Free on SolarMovie. Watch Janis: Little Girl Blue (2015) online free. Musician Cat Power narrates this documentary on Janis Joplin's evolution into a star from letters th...Musician Cat Power narrates this documentary on Janis Joplin's evolution into a star from letters that Joplin wrote over the years to her friends, family, and collaborators.