United Kingdom, June 27 -- Dean McDermott is three years sober.

The 59-year-old reality TV star and former husband of Tori Spelling took to Instagram to celebrate the huge milestone in his sobriety journey and explain that it all started with him "asking for help".

He wrote: "WOW we wee WOW!! 3 years!! Couldn't have done it without my Family, Friends, Fellowship, Sponsor and a 12 step program!! It all started with surrendering and asking for help."

He also posted a video where he encouraged those who are "suffering and in pain" to seek help.

He said: "Today, June 26, I celebrate three years being clean and sober. Yes, it can be done. I want to let you know out there if you're suffering and you're in pain [that] it can be done. If I ca...