Kourtney looked very in shape as she danced alongside several women at an open-air mall in Los Angeles.
Looking on were her sisters Kim and Khloe, who showed of a large baby bump, Kourtney had on a black outfit that consisted of a low cut top, a cropped jacket top and slacks.
Kourtney did a sexy hip shimmy that proves she could get a job as a belly dancer if she wanted to.
Khloe flaunted her pregnancy in her brown outfit with a beige coat and heels. She tweeted: ‘OMG you guys!!!! I just experienced a flash mob!!!! @kourtneykardash @khloekardashian & @ForeverKhadijah surprised me with a flash mob in the middle of the mall!’ More Pictures below: