News Oprah Advises Justin Bieber on Marriage By ETonline Staff 3:35 PM PST, November 16, 2012 Last year Justin Bieber told WWD that he wanted to be married by 25, but after a recent sit-down with Oprah Winfrey, he may have a change of plans.RELATED: Check Out Oprah's 2012 'Favorite Things' "You're telling me not to get married at 25?" Bieber asks in promos for his appearance on Oprah's Next Chapter, airing November 25 on OWN. "I should probably listen."Watch a preview of the interview above. Also, tune in to ET on Monday for new interviews with Dancing with the Stars contestants Emmitt Smith and Cheryl Burke as they spill their semi-final secrets!