Pregnant supermodel Alessandra Ambrosio shares with fans that she is expecting a baby boy. "We really tried to keep it a surprise but we were too anxious!" the pregnant beauty wrote on Twitter and her personal Facebook page. And after sharing a photo of her writing in sand the words "It's a boy" she wrote: "Soon, we will have a little boy to rock our world!!" Pictured: Alessandra Ambrosio Splash News and Picture Agency does not claim any Copyright or License in the attached material. Any downloading fees charged by Splash are for Splash's services only, and do not, nor are they intended to, convey to the user any Copyright or License in the material. By publishing this material , the user expressly agrees to indemnify and to hold Splash harmless from any claims, demands, or causes of action arising out of or connected in any way with user's publication of the material.