Kim Kardashian and Kourtney Kardashian at the QVC 25 To Watch Party in NYC - February 11, 2011

What they wore:
Kim
Vest: K-Dash by Kardashian
Pants: Winter Kate Drake Pant in Black
Kourtney:
Top: K-Dash by Kardashian
Pants: Yves Saint Laurent
Shoes: Prada