While Stella McCartney’s pre-fall bash was going down in Hollywood, another crop of celebs gussied up in their black-tie best across town for UNICEF’s 6th Biennial Ball. Hosted by Louis Vuitton, the blue carpet produced a slew of starlets including Miranda Kerr and Selena Gomez decked in designs by the French fashion house. Ahead, our picks for best-dressed from the charitable event.