Kylie Jenner has been hospitalised with an undisclosed illness and will have to skip a planned cosmetics roll-out at Paris Fashion Week. The 22-year-old social media star and make-up mogul said on Twitter on Wednesday, September 25, that she is “really sick and unable to travel.” View this post on Instagram KYLIE X BALMAIN launching this Friday 8am pst after the Balmain Paris Show! Stay tuned on my stories today for more! @kyliecosmetics A post shared by Kylie (@kyliejenner) on Sep 25, 2019 at 7:53am PDT A representative for Jenner confirmed the reality TV star is in hospital, but “doing well”. Neither gave details on what illness sent her to the hospital. How billionaire Kylie Jenner spends her fortune On Tuesday, September 24, she had announced that a new collaboration between her make-up line, Kylie Cosmetics, and designer Olivier Rousteing of Balmain would be unveiled in Paris on Friday, September 27. View this post on Instagram KYLIE X BALMAIN Paris is always a good idea Collection launching this Friday 9.27 on KylieCosmetics.com @kyliecosmetics #PFW A post shared by OLIVIER R. (@olivier_rousteing) on Sep 23, 2019 at 10:35pm PDT Jenner said in an Instagram post she is “heartbroken” to miss the event. Want more stories like this? Sign up here . Follow STYLE on Facebook , Instagram , YouTube and Twitter.