The long-running feud between Hailey Bieber and Selena Gomez has boiled over within the past few weeks. It all started when the Rhode Skin founder appeared to bully the "Heart Wants What It Wants" singer online. Justin Bieber Drops Cosy Pics With Hailey Bieber and Says ‘Luv U Baby’ Amid Her Alleged Feud With His Ex Selena Gomez.