It is Kendall Jenner that is naturally pretty. Not Kylie.

‘I am naturally pretty’: Kylie Jenner jokes with her makeup artist Ariel that she is so good looking she does NOT need a ton of paint… even though she is often layered in color

Daily mail

It is not funny. Maybe big tits and lots of makeup can save Kylie.

https://www.dailymail.co.uk/tvshowbiz/article-11354627/Kylie-Jenner-jokes-good-looks-mean-doesnt-need-makeup.html