Alessandra Ambrosio stands out from the crowd in a vibrant orange mini dress in Venice

Alessandra Ambrosio catches the eye in a thigh-skimming lace minidress in Venice

Alessandra Ambrosio shares summer snaps with beau Richard Lee and best friend Ana Beatriz Barros

Alessandra Ambrosio shops on Rodeo Drive in overalls before sharing sizzling vacation snaps