PaMallette, 37, recently shared two photos of herself in which she can be seen flashing a big smile while cradling a little girl, reported Us Magazine.
"A baby looks good on me eh? (Yep still Canadian). I want more kids!", she tweeted alongwith the snapshot.
Mallette has been a single mother since 1994 after giving birth to Justin at the age of 17.
She and Justin's father, Jeremy Bieber, whom she began dating at the age of 15, got separated 10 months after Justin's birth.