Justin celebrated his wife by writing, "mother’s day sucks ass," on Instagram. Hailey then returned the favor by writing, “father’s day sucks ass” on one of his (dozens of) Father’s Day posts.

In a now-deleted reply to his post, Hailey answered with a direct remark that mirrored the one the “Peaches” singer had written for her on Mother’s Day. Justin Bieber’s inaugural Father’s Day as a dad to son Jack Blues was an interesting one.

Hailey Bieber sends shady message to Justin on his first Father's Day, while he warns fans not to mess with him