The Jenner sisters may only be in their teens (Kendall is 15 and Kylie is 13), but when it comes to their red carpet style, the Keeping Up with the Kardashians stars are anything but amateurs.
The leggy duo proved that they're just as chic as their older siblings when they hit up the Glee The 3-D Concert Movie premiere in Los Angeles on Saturday dressed to impress in super-short numbers.
Kendall donned a white frock with a keyhole cut-out and cape while Kylie opted for mini black shorts and a long-sleeved ivory blouse. Both girls paired their ensembles with nude heels.
But it looks like their fans, who have watched the starlets grow up since the E! reality show got its start in 2007, aren't the only ones who are surprised at Kylie and Kendall's recent transformations.
"Wow! My baby sisters aren't babies anymore (crying)" big sis Khloe tweeted on Sunday when Kendall uploaded a Twipic of her and Kylie on the red carpet.
Recently, Kendall posed in a sexy swimsuit campaign for White Sands, a gig that big sis Kim has been supporting wholeheartedly.
"Kendall is the new face of Australian swimwear designer Leah Madden's Summer 2012 campaign Pirouette!!,"' Kim revealed on her website August 1. She added: "How stunning does she look!?!? I couldn't be more proud!"
Tell Us: Do you think Kylie and Kendall look age-appropriate or way too mature?
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