Article continues below advertisementIs Kourtney Kardashian expecting another baby?Fans were quick to notice the reality star, 46, hid her stomach behind her siblings in a new promo for The Kardashians, which debuted on Thursday, August 7.Article continues below advertisementIs Kourtney Kardashian Pregnant?Source: @khloekardashian/InstagramKourtney Kardashian ducked behind her sisters.The video featured Khloé and Kim Kardashian, as well Kylie, Kendall and Kris Jenner, all dressed in busty black dresses.