Kylie was in attendance at the Houston festival over the weekend with their daughter, Stormi, to support the rapper.
In her statement honouring the victims, Jenner clarified that she was unaware there were any lives taken at the festival.
Jenner, who boasts more than 280 million followers on Instagram, initially received pushback for posting footage from the festival showing an ambulance on-site.
Scott and Kylie Jenner share a three-year-old daughter named Stormi and are currently expecting their second child together, reports variety.