04/24/2015 08:52 pm ET | Updated Apr 24, 2015

Bruce Jenner's Kids Take To Social Media To Voice Support Ahead Of Diane Sawyer Special

JB Lacroix via Getty Images

Bruce Jenner's kids -- Brandon and Kylie -- took to social media Friday to express support for their father ahead of the ABC special, "Bruce Jenner: The Interview." Diane Sawyer secured an exclusive two-hour interview with the former Olympian, which is scheduled to air live at 9 p.m. ET.

Proud son.

A photo posted by Brandon Jenner (@brandontjenner) on

daddy throwback. #Tonight #DianeSawyer #ABC #love

A photo posted by Kylizzle (@kyliejenner) on

Jenner's daughter-in-law Leah tweeted something that may refer to his TV special as well:


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