Breaking news: An Osmond family crisis.

Just in: MARIE OSMOND reveals that her 16-year-old son, MICHAEL, is in rehab. Marie broke the news during her interview with LARRY KING Wednesday.

Marie tells ET, "My son Michael is an amazing young man, shown through his courage in facing his issues. As his mother, I couldn't be more proud of him. The press and public has always been kind and gracious in the past and I know they will continue to respect our privacy during this time."