Another wrote, “Wow. You look a lot like her! Happy birthday. God bless ️.” Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE ...

Justin Bieber celebrated his mom Pattie Mallette's 50th birthday on April 2. The singer gushed about how proud he is to be his mother's son in a sweet Instagram tribute. Mallette ...