'Paper Towns' Star Halston Sage & Author John Green on Pranks, Pokemon, & Prom

The YH Studio welcomes actress Halston Sage and author John Green to chat all about their movie based on his novel, 'Paper Towns', including how Halston relates to her character and John's inspiration behind all those wicked pranks in the story! They also reveal the background of a memorable ad-libbed line of Halston's, plus they discuss road trip must-haves and first dances at prom!