United Kingdom, Dec. 4 -- Kylie Jenner has undergone stem cell therapy to ease her back pain.

The 28-year-old reality star- who has Stormi, seven, and Aire, three, with ex-partner Travis Scott - has been in constant discomfort since her last pregnancy but is feeling much better after following her half-sister Kim Kardashian in having the treatment, which uses stem cells to help repair and replace damaged tissues, organs and cells.

Kylie shared a series of posts on her Instagram Story about the process, which began with a photo of herself in a hospital bed.

She wrote: "I've been dealing with bad chronic back pain for almost 3 years after my last pregnancy, and nothing I tried seemed to help.

"Hearing how much relief Kim got gave me the...