Justin Bieber’s Mom Pattie Mallette Reacts to Hailey’s Pregnancy: ‘I’m Gonna Be a Grandma!’ Zach Seemayer Blog May 10, 2024Leave a Comment on Justin Bieber’s Mom Pattie Mallette Reacts to Hailey’s Pregnancy: ‘I’m Gonna Be a Grandma!’ Zach Seemayer Spread the loveJustin Bieber mom is overjoyed by the news that she’s going to be a grandmother in just a few months. News Justin Bieber mom is overjoyed by the news that she’s going to be a grandmother in just a few months.