Kendall was there, but she was there with H&M and Balmain working, so she couldn't hang out and walk the carpet with her sister, which would be really nerve-racking when you're used to that support and you have to face the press all alone.
To make things even more stressful, Kylie knew they were going to ask about two things she didn't want to talk about: her lips and Caitlyn.
In this sneak peek from this week's Keeping Up With The Kardashians, we see what was really going on behind the scenes when Ky was posing for those gorgeous solo photos and we would have never known she was under so much stress.
"I told them no questions about your lips and if you feel uncomfortable about your dad to move on," her publicist says before she steps into the swarm of reporters. Still, it was too much for Kylie to take and after she said she felt sick and was worried that she might faint, she ducked out at the last second.
KUWTK airs this Sunday at 8 pm on E!