Supermodel Alessandra Ambrosio has given birth to a son, just two days after her baby shower, according to reports.

The Brazilian beauty is said to have welcomed a baby boy named Noah on Monday at the Santa Helena Clinic in Florianopolis, southern Brazil.

The new baby is Ambrosio's second child with her businessman fiancé Jamie Mazur, the father of her three-year-old daughter Anja.

Ambrosio's aunt, Liane Ambrosio, reportedly confirmed the couple's happy news to Revista Qeum, telling the publication, "We are delighted, of course! We were not expecting him to arrive today. The birth was scheduled for the end of next week."

The supermodel celebrated the impending arrival by throwing a lavish baby shower in Florianopolis on Saturday.

Slideshow: 10 Sizzling Alessandra Ambrosio Photos