Bruce Jenner Gets Candid in New Interview Promo: "It's Going to Be an Emotional Roller Coaster"

Bruce Jenner's highly anticipated interview with Diane Sawyer airs tomorrow night on ABC, and a new promo shows the former Olympic champion talking openly about his reported transition into a woman. In the short clip, Bruce tells Diane, "It's going to be an emotional roller coaster, but somehow I'm gonna get through it." In other promos for the two-hour special, he revealed the love he has for his family and said he does not want to hurt them as he goes through this process. Watch the latest clip above, then check out his journey through the years.