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Bruce Jenner, Kylie Jenner

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Check out the bod on Bruce Jenner!

The former Olympian's youngest daughter Kylie Jenner shared one epic throwback photo of her dad on Instagram today, while also breaking her silence on his highly anticipated sit-down interview with Diane Sawyer airing tonight.

Posting a black-and-white blast-from-the-past snapshot of Jenner flaunting his killer abs and retro bowl cut in a cut-off white T-shirt and really short denim shorts, Kylie captioned the pic, "daddy throwback #tonight #DianeSawyer #ABC #love."

This is the first time the 17-year-old has publicly addressed her father's special, and it comes on the heels of older sis Kim Kardashian openly speaking about it as well.

When asked if she will be watching the two-hour special, Kanye West's leading lady exclusively told E! News, "We are going to watch the special together as a family with Bruce and that's pretty much all I will say about that today...I will let the special come out and speak for itself."

The E! reality star added that "media speculation that there's divides between our family and some support him and some don't" is entirely false.

"As a family we always support everyone. I'm excited for everyone to see the special tonight...I'm going to rush out of here and meet up with Bruce and my mom and brothers and sisters and watch it tonight. Family first, no matter what."

It's only a matter of hours before the world hears from 65-year-old for the first time and Good Morning America debuted yet another preview clip from the exclusive sit-down this morning which shows Bruce exclaiming that "2015's gonna be quite a ride."

Bruce Jenner: The Interview airs tonight at 9 p.m. ET on ABC.

PHOTOS: Bruce Jenner, Olympic gold and beyond!