Justin Bieber is still posting cryptic messages on social media - including one for Father's Day. The singer, 31, posted a black and white, close-up photo of his face and what appears to be a plastic hand giving a raised middle finger sign on Instagram on Sunday,

Recently, when a fan expressed concern about his well-being, Bieber fired back with a sharp four-word response. This moment has only fueled more questions about the singer’s sta