Miley Cyrus’ younger sister Noah Cyrus is all grown up! The 15-year-old rocked long blonde extensions and purple lipstick to Kylie Jenner’s 18th birthday bash at Bootsy Bellows on Sunday, Aug. 9, and looked unrecognizable.
PHOTOS: Celebs’; dramatic makeovers
The teen completed her transformation by donning black skinny jeans, thigh-high boots, and a revealing crop top.
Noah posted numerous Instagram pictures showing off her new look, tagging one photo with a pal: “We literally dont care one bit (: isnt that right ken?”
Hours before venturing out in West Hollywood for the reality star’s big birthday bash, Noah hung out with her sister Miley.
PHOTOS: Miley’;s raciest outfits
“@noahcyrus my chauffeur / dance partner / lil sis / baby angel all in 1,” Miley captioned an Instagram video of Noah, looking more her age without makeup and her hair in two braids.
Tell Us: What do you think about Noah’s new look?
PHOTOS: Celebrity siblings
Can’;t get enough of Us? Sign up now for the Us Weekly newsletter packed with the latest celeb news, hot pics, and more!