Show You Love features the vocals of a singer who plays what character in "The Edge of Seventeen"?
Show You Love (Kato and Sigala song):  It features the vocals of American singer Hailee Steinfeld. Hailee Steinfeld:  Thereafter, she appeared as Petra Arkanian in "Ender's Game" (2013), Juliet Capulet in "Romeo & Juliet" (2013), Violet Mulligan in "Begin Again" (2013), Zooey Renner in "3 Days to Kill" (2014), Emily Junk in "Pitch Perfect 2" (2015) and "Pitch Perfect 3" (2017), and Nadine Franklin in "The Edge of Seventeen" (2016), the last for which she received a Golden Globe Award nomination.
Nadine Franklin