Despite sauntering down red carpets and attending movie premieres, Lily-Rose Depp is your average prom-going teenager...except she's not. Johnny Depp and Vanessa Paradis ' 17-year-old daughter attended prom in Los Angeles over the weekend, proving she's the absolute coolest high schooler in town. Donning a slinky, peach dress adorned with scales, she posed for photos with her friends, looking like the ultra-chic model she is.