Jennifer Lopez crosses her heart in glittering Balmain as she graces Met Gala with Alex Rodriguez.br br Jennifer Lopez made jaws drop during Monday night's Met Gala in New York City.br The singeractressdancer fully embraced the theme of the evening, Heavenly Bodies: Fashion & The Catholic Imagination, in a heavily embellished Balmain dress.br Arriving at the affair with beau Alex Rodriguez, the World Of Dance judge, 48, showcased her long, bronze legs in a gem-encrusted gown with a bold cross on the front.