Nicky Hilton and Paris Hilton were quick to strike a pose outside the Jeremy Scott show during New York Fashion Week on Monday. Looking good ladies!

For the event, Paris donned an all-black ensemble, consisting of black tights, a black coat dress and some funky black heels. Of course we couldn't help Paris' cross-body bag -- it's a Powerpuff Girls purse! Fun! Meanwhile, new mom Nicky outfitted herself in a flirty red frock and kicky heels. Both sisters shielded their eyes from photogs with oversized sunnies. Oh how glamorous!

Nicky and her husband, banking heir James Rothschild, welcomed their first child, Lily Grace Victoria Rothschild, on July 8. That's right -- Nicky is looking oh-so-skinny a mere two month after giving birth. Wow!

Speaking of skinny, Miley Cyrus' ex Stella Maxwell was looking way too skinny as she also headed into the fashion show on Monday. The model showed off her too-thin pins with a tiny grey minidress, leather jacket and some booties.

There's healthy skinny and then there's this -- this doesn't look healthy at all. Eat a sandwich, girly!