Are Austin and Justin fighting about hair?

Brace yourselves, M Girls: A feud is brewing between Austin Mahone and Justin Bieber. It all started when Austin posted a picture of his new hair style, writing, "Just got my hair did." Then, Just left a comment: I wonder where u got that hair idea" suggesting that Austin had copied him. Two minutes later, Justin added, "All jokes aside you look handsome." But Austin wasn't taking the joke lightly. "@justinbieber LoL it's all good bro. Your new look kind of looks like my old one though," he responded, sharing a side by side pic of them. It's on!