He's Not Worth Dying For.

Based on a true story, Isla and Grace were two typical teenage girls in love. Unfortunately, they fell for the same guy. Jake, a "ladies man", was dating them both without their knowledge. When they discover that Jake is cheating on them, the girls turn on each other in a jealous rivalry and use their arsenal of social media platforms to badmouth and attack on another. While their followers take sides and pit them against each other, their hatred for one another escalates into a real-life fight that ultimately turns deadly.