Justin Bieber flew on Instagram toward the beginning of today to acquaint the world with his family's freshest expansion, his child sister Bay Bieber. "Meet the most up to date Bieber, my younger sibling BAY BIEBER," he wrote in a post that has collected more than 3.8 million likes in three hours.

Bieber's dad Jeremy got hitched to his sweetheart Chelsey when she was expecting Bieber's most up to date kin in February; the wedding had a pink subject to observe Bieber's infant sister's approaching landing.

In a demonstration of what amount can change in a short measure of time, Bieber took Selena Gomez as his date at that point. Bieber has two other half-kin: 8-year-old Jaxon and 10-year-old Jazmyn Bieber with his father's then-sweetheart Erin Wagner. Bieber's mom is Pattie Mallette, and he's her solitary youngsters.