Gwen Stefani stepped out with hubby, rocker Gavin Rossdale, to attend amfAR's Cinema Against AIDS Gala.The stunning pair walked the red carpet hand-in-hand, looking as fierce and fashionable as always. Stefani's curve hugging black dress and big hair were a perfect match for her husband's classic tuxedo and slicked back 'do. Their look was a shout out to old Hollywood style, with a modern edge.