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Ryan Knight Remembered By His 'Real World' And 'Challenge' Co-Stars

'We are family and every loss hurts like a ton of bricks,' wrote Ayiiia Elizarraràs.

A number of "The Real World" cast members took a moment out of their Thanksgiving celebrations on Thursday night (November 27) to pay tribute to Ryan Knight, star of "The Real World: New Orleans" and "The Challenge," who unexpectedly died at the age of 29.

One of his close friends on "The Challenge: Battle of the Seasons," Zach Nichols, said a tearful goodbye to his bunkmate and good pal.

Knight's on-again, off-again girlfriend, Jemmye Carroll, also mourned his loss on Twitter.

Another fellow "Challenge" cast member Camila Nakagawa, bid goodbye to her friend, as well as another recent loss in the family, Diem Brown, posting a picture of the two late challengers on the beach enjoying good times.

Many other friends and former castmates also bid goodbye to their friend.

Nia Moore

Jasmine Reynaud

Reynaud also posted a touching note on Instagram, writing, "Ryan Knight....Bunkmate you've always been there threw laughs cry craziness and cell searches lol! Thank you for being my friend. My heart is so broken to lose you! I will always keep the crazy voicemails you left me!. To the Knight my family my heart tears &prayers are with you! #ripknight #bunkmate #gonetoyoung."

Nany Carmen González

Johnny Reilly

Jess McCain

Danny Wascou

Emilee Fitzpatrick

Ayiiia Elizarraràs

Elizarraràs said, "I just can't, not another. We are family and every loss hurts like a ton of bricks and a truck hit. #RIP Knight. #staystrong #family #mtv #speechless hold everyone in your life close and tight and live every moment freely and happy and just.... love."

Em Unleashed

Derek Chavez

Frank Sweeney

Dustin Zito