Image Credit: Quit Smoking from Vector.me (by russel)
Ellen DeGeneres (celebrity): Ellen underwent hypnosis live on her tv chat show, and used it's power to successfully stop smoking.
Matt Damon (actor): Matt proclaimed his love for hypnosis live on TV, stating that it was the greatest decision I ever made in my life. This was to Jay Leno, and he was referring to using hypnosis to stop smoking.
Ashton Kutcher (actor): Aston is a big fan of hypnosis, using it for various issues that we know of. Firstly he used it when he first got into acting to help him to focus, and to visualize his own success and stardom.. I guess it worked! More recently he used a stop smoking hypnosis cd, and yes, he did successfully quit.
Aaron Eckhart (actor): Listened to hypnotherapy tapes to help him to beat smoking and alcohol addictions - later stating in an interview that it changed his life forever.
Disclaimer: Reiki along with other alternative healing methods such as hypnosis and EFT, etc. can help promote/enhance healing physically, mentally and spiritually for many people, but it doesn't mean it should replace medical care. (Although it is great complimentary care!) Please see a Medical Doctor or professional if needed. Thank you for taking charge of your health!