Justin & Hailey Bieber's Model Pal Accidentally Reveals Baby Jack's Actual Birth Date!

Her lips were NOT sealed!
As Perezcious readers know, Hailey and Justin Bieber announced on Instagram the arrival of their baby boy on Friday, August 23. The new parents did not say the day Jack Blues Bieber was born in the post. However, one of Hailey and Justin’s model friends seems to have revealed the date their son came into the world! No, not Kendall Jenner! It was Adwoa Aboah who spilled the beans!
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