Alessandra Ambrosio is expecting her second child

Alessandra Ambrósio flaunted a fit and trim physique at last month's Victoria's Secret Fashion Show.

STORY HIGHLIGHTS

• Alessandra Ambrósio is expecting her second child with fiancé Jamie Mazur


• The Victoria's Secret stunner, 30, is already mom to daughter Anja Louise


• Ambrósio recently replied, "Definitely" when asked if she had plans to expand her family

() -- She's a model mama -- twice over.

Alessandra Ambrósio is expecting her second child with Jamie Mazur, her rep confirms to PEOPLE.

The Victoria's Secret stunner, 30, is already Anja Louise, 3.

Despite flaunting a at last month's Fashion Show, the pregnancy comes as no surprise -- Ambrósio recently replied, "Definitely" when asked if she had plans to expand her family.

The model and Mazur, a businessman, began dating in 2005.