Oprah fears marriage will ruin relationship with beau Stedman Graham

Washington: Oprah Winfrey has admitted that she doesn`t want to get married to long time boyfriend Stedman Graham in case it ruins their relationship.

The 59-year-old media mogul has been dating Graham for 27 years and while the couple couldn`t be happier, Oprah thinks getting married could change things, Contactmusic reported.

Speaking to Andy Cohen on `Watch What Happens: Live`, she said that she is not sure if she wants to marry, as things were going smoothly until now.

Oprah recently praised Stedman for his support when her TV network initially struggled.