Bruce Jenner Tells Diane Sawyer, "My Whole Life Has Been Getting Me Ready for This," in Interview Promo

The interview is set to air on Friday, April 24.

ABC released a second promo for Diane Sawyer's upcoming April 24 interview with Bruce Jenner on Tuesday.

In the 15-second clip, Jenner tells Sawyer: "My whole life has been getting me ready for this."

The 20/20 two-hour interview will discuss "the journey, the decisions, the future," according to the clip, of Jenner's transition from male to female.

The exclusive interview will air Friday, April 24, at 6 p.m. PT on ABC.