zodiac-themed dress. For the premiere in Los Angeles on February 13, JLo wore a black Zuhair Murad couture gown featuring the names and symbols of the 12 astrological signs embroidered in metallic silver on the sheer skirt.The dress, with its plunging neckline and matching velvet gloves, is gorgeous. But still, the zodiac thing is a detail so specific, and yet seemingly so random, that it demands explanation.