However for Kendall Jenner her own unique selling point is undoubtedly her never ending legs.
The reality star, 16, showed off her lithe limbs as she and her younger sister Kylie took to the red carpet at the Project X premiere on Wednesday night.
Who cares about Kim's derriere? Kendall Jenner shows off her impossibly long legs as she steps out in tiny lilac dress at the Project X premiere
The Teen Vogue covergirl also emphasised her legs stepping out in a pair of sky-high nude peep-toe heels.
Kylie,14, looked lovely in a cream dress which boasted a sheer panel and a black waistbelt.
Sister act: Kendall was joined by her 14-year-old sister Kylie as they attended the screening at Grauman's Chinese Theatre in Hollywood on Wednesday
Hair flare: The girls had their glossy brown locks, a signature of the sisters in their family, down
But given the way the film was cast - which tried to select unknown talent it's no surprise that the reality stars were the most familiar faces on the red carpet.
Thomas Mann, who appeared in It's Kind of A Funny Story, plays the lead role of Thomas but he was originally told he could not audition for the part because the producers wished to cast people without acting credits.
I'm ready! Kendall tweeted a picture of herself before attending the premiere