Kim Kardashian Kourtney Kardashian sisters dress purse suit kardashianqvc021111_14-full.jpg

Last night Kim and Kourtney Kardashian headed to the Vogue Magazine/QVC bash on 43rd Street in NYC, but believe it or not, there was some work involved!

Before the ladies left their posh hotel, Kim tweeted, "Getting ready with @KourtneyKardash LOVE NYC Fashion week! We are gonna be debuting our new line on QVC live tonight!" The party was an on-air selling event, and guests like Jillian Harris, Camila Alves, Tinsley Mortimer and Kelly Rutherford were also in attendance as Kim and Kourtney launched their K-DASH fashion line.