In the midst of the promotional tour for her latest film, Unstoppable, Lopez stepped out on December 10 wearing an ultra mini romper courtesy of the legendary French fashion house Chloé.

And on Thursday, Alessandra Ambrosio was back to her boho chic style as she ran errands with a pal in Santa Monica. The 34-year-old pulled on a white, open-front cardigan with a brown fringe ...

for all intents and purposes, left Lopez essentially pantsless. It was a look that gave new meaning to the revenge dress: let's call it the revenge romper.