Kim Kardashian and her sisters were complete no-shows at Kris Humphries‘ sister’s big runway debut Tuesday (Sep 13), leaving “three empty seats” in the front row of the Richie Rich fashion show.

Kim’s sister-in-law Kaela was set to walk the runway at at designer Richie Rich’s fashion show, and invited Kim, Kourtney and Khloe to watch. Kris made it, and even daddy Humphries was able to make it … but the Kardashian family was nowhere to be seen. (Even though Kris went to Kylie’s big runway debut at Avril Lavigne’s fashion show the night before!)

“Kim and her sisters were supposed to come and sit front-row [at Richie Rich],” a spy told the NY Post’s Page Six, “but there were three empty seats.” They added that they saw the NBA star on his cellphone, presumably to reach Kim. “He’s always there to support her family,” said the spy, “and she wasn’t there for his.”

Of course Kim was able to make it to Vera Wang’s show

Ouch.