Keeping Up With The Kardashians is about to get even more starpower with a special appearance by Oprah Winfrey.

The 58-year-old talk show host recently sat down with Kim and her famous family for a special on Oprah's Next Chapter. Lady O hit it off with the Kardashians during the taping ... and agreed to sign a release which permits them to include footage on their reality show.

We can't wait to watch this episode!