Justin Bieber's Mom Pattie Mallette Says She's Excited to Be a Gramma Justin Bieber's mom, Pattie Mallette, is over the moon about her son's huge baby announcement -- but she's even more excited about becoming a grandma.
Miley Cyrus & Justin Bieber's Moms -- Power Lunch in L.A. It's a meeting of the power moms -- Miley Cyrus and Justin Bieber's mothers on a lunch date in L.A. today ... and Justin's mother was an OPEN BOOK.
