I love the smell of teenage celebrity Instagram feuds in the morning. It smells like the future. So, in answer to the question we ask with surprisingly regularity — what did Kylie Jenner do this time? — this week it turns out it's, "Got cornrows." And another teenage famous-ish person — Amandla Stenberg, best known for dying tragically in the first "Hunger Games" movie — was not having it.