Justin Bieber hasn’t physically welcomed his first child just yet, but in his mom’s eyes, he’s already a father. On Sunday, June 16, the pop star’s mother, Pattie Mallette, took to Instagram to wish her son a happy Father’s Day as his wife, Hailey, counts down the weeks until she gives birth to their baby. “Happy Father’s Day Justin. You’ve always wanted to be a dad ever since I can remember. You have so much love to give. You’re gonna be the best daddy ever. You already are. LOVE YOU!! 🥰,” Mallette expressed alongside a series of photos showing off Justin and her daughter-in-law’s adorable ba…