Noah, who went blonde for the party, donned an all-black outfit that included a skimpy crop top, skinny jeans and thigh-high boots. As for her makeup, Billy Ray Cyrus' daughter wore silver lipstick and big black lashes.
What do you think of the teenager's skin-baring fashion statement? Is it age appropriate?
Noah's older sister Miley has defended her own skimpy style. "I'm using it as a power stance," the 22-year-old singer told Time magazine of posing nude and performing with strategically placed pasties. "It's funny to see people try to look me in the eye."