Alessandra Ambrosio & Jamie Mazur: First Halloween Party Together!

Alessandra Ambrosio and her fiance Jamie Mazur are dressed up while attending fashion expert Rachel Zalis and producer Mike Meldman‘s “Nightmare on Arden Street” Halloween Party on Friday (October 26) in Beverly Hills, Calif.

Before the party, the 31-year-old model posted a picture of herself with her adorable daughter Anja and tweeted, “Like mom like daughter �’��’��’�❤.” Check out the picture below!

PHOTOS: Check out the latest pics of Alessandra Ambrosio

Earlier in the day, Alessandra grabbed some some gelato with Anja while carry around a shopping bag from Aahs! in Santa Monica.

25+ pictures inside of Alessandra Ambrosio and Jamie Mazur in Halloween costumes…