Sizzling hot Alessandra Ambrosio goes underwear-free in vampire costume (video)

She first went trick or treat with her kids in the day

Come Halloween all the beautiful top models put on their their costumes and always attract the attention of the media and the “mere mortals”. So did incredibly hot Alessandra Ambrosio, who on Thursday transformed into a family friendly inflatable unicorn to go trick or treating with her children.

But the sexy Brazilian brought the glamour after dark as she donned a very sexy vampire costume for her Halloween Horror In The Hills soiree later that day.

The supermodel, 38, went underwear free in a busty black sequin gown with two racy thigh splits which showcased her toned legs and a hint of her pert derriere.

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