Caitlyn, who came out as transgender in an interview with Diane Sawyer back in April, was praised for being brave, courageous and beautiful from family, friends and celebrities.
Formerly known as Bruce Jenner, Caitlyn was praised by model daughter Kendall Jenner, who said: "Now that's a cover... Be free now pretty bird."
Kendall's sister Kylie wrote on Instagram: "My angel on earth! #Caitlyn."
Caitlyn's step-daughters Kim, Khloe and Kourtney Kardashian, also expressed their love and support.
Kim said: "Caitlyn Jenner for Vanity Fair [shot by] Annie Leibovitz! How beautiful! Be happy, be proud, live life YOUR way!"
Echoing the same thoughts, Khloe shared a photo of Caitlyn on Instagram, with the caption: "We were given this life because you were strong enough to live it! I couldn't be prouder!!! Caitlyn, you are beautiful!!!"
Meanwhile, popstar Lady Gaga said: "Caitlyn, @Caitlyn_Jenner thank u for being a part of all of our lives & using your platform to change people's minds. The beauty on the inside is now also on the outside. God bless you and the whole family for sharing it with us."
And actress Demi Moore, tweeted: "Thank you @Caitlyn_Jenner for sharing the gift of your beautiful authentic self inside and out!"
The former Olympian has filmed her own E! reality show, which will document her transition further, and is scheduled to air later this year.
Last month, E! aired two-part special, About Bruce, which revealed the moment the Kardashian/Jenner clan learned of Bruce's transition from man to woman.
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