This Famous Sibling Wore a Super-Short Skirt to Her 13th Birthday Bash: Guess the Celeb Sister! (PHOTOS)

She just turned 13, but don’t tell that to her wardrobe! Despite having barely graduated from tweenhood, this debutante from a famous family wore a mini-mini-skirt to her birthday party, where she partied alongside her big sis. Who is she?

Click through for the reveal!