Bruce Jenner’s family members are taking to social media to show their support and love for the former Olympian as he opens up to Diane Sawyer about his gender identity journey in a one-on-one 20/20 interview on Friday.

NEWS: Bruce Jenner: “I Am A Woman’

“Not only was I able to call him my husband for 25 years and father of my children, I am now able to call him my hero,”; tweeted Kris Jenner, who said that she watched the special with Bruce.

Kylie Jenner shared this “daddy throwback”; pic on her Instagram, adding the hashtags “#tonight,”; “#DianeSawyer”; and “#love.”;

daddy throwback. #Tonight #DianeSawyer #ABC #love

A photo posted by Kylizzle (@kyliejenner) on Apr 24, 2015 at 12:49pm PDT

//platform.instagram.com/en_US/embeds.jsKylie later tweeted a heartfelt message to her dad, writing, “Understandingly, this has been very hard for me. You will hear what I have to say when I’m ready to but this isn’t about me. I’m so proud of you, Dad. You are so brave. My beautiful Hero.”;  

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//platform.twitter.com/widgets.jsKendall Jenner tweeted simply, “I love you.”;  

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WATCH: Bruce Jenner, a Complete Timeline: From Olympic Gold Medalist to Reality Star

Jenner’s second wife Linda Thompson posted a photo of Jenner from his days as an Olympic champion, writing, “Once a champion of Olympian magnitude…now a champion for those who share the struggle to just be who they are.”;

//platform.instagram.com/en_US/embeds.jsJenner and Thompson’s son Brandon posted this sweet shot of him and his dad with the caption “Proud son.”;

Proud son. A photo posted by Brandon Jenner (@brandontjenner) on Apr 24, 2015 at 4:57pm PDT

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Jenner’s step-daughter Khloe Kardashian tweeted messages of support for the “world’s greatest athlete”; and retweeted Lady Gaga, who stated “Now that is bravery.”;

//platform.twitter.com/widgets.js“Couldn’t be a more proud daughter,”; tweeted Kourtney Kardashian. “With courage and bravery, let’s change the world. I am honored to stand by Bruce’s side and support him.”;  

WATCH: Bruce Jenner: Kanye West Helped Kim Kardashian Understand His Transition “Love is the courage to live the truest, best version of yourself. Bruce is love. I love you Bruce,”; Kim Kardashian tweeted after the 20/20 special aired, adding the hashtag “#ProudDaughter.”;  //platform.twitter.com/widgets.js

//platform.twitter.com/widgets.jsKim also posted several Instagrams of her and Bruce, captioning one: “It might not always be easy but we support you no matter what! Your honesty has opened the doors for others to be courageous and live an authentic life!”;

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“You have always been a role model to me and now more than ever, I look up to you. LOVE YOU,”; wrote Rob Kardashian on Twitter.

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As Jenner has not yet said that a new name or pronouns should be used, ETonline will follow GLAAD guidelines and continue to refer to him by his current name and male pronouns.

EXCLUSIVE: Kim Kardashian Speaks Out on Bruce Jenner: “We All Support Him 100 Percent’

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