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The world just got a whole lot better looking.
Alessandra Ambrosio and her fiancé, Jamie Mazur, are now the proud parents of a boy after the Victoria's Secret model gave birth on Monday.
"Welcome my son, can't wait to show u around this crazy place," Mazur tweeted yesterday afternoon.
The new bundle of joy joins the couple's daughter, 3-year-old Anja.
Ambrosio first announced she was expecting last December.
The 31-year-old Brazilian beauty later revealed in April that she was having a son and, throughout her pregnancy, proudly showed off her beautiful baby bump.
Congrats to the whole family!