Caleb Logan Dead: Youtube 'Bratayley' Star Dies At 13, Touching RIP Instagram Tribute [VIDEO]

Reports confirm that beloved Youtube sensation Caleb Logan died of "natural causes" on Thursday (October 1). Logan's family shared an extremely touching Instagram tribute following the young "Bratayley" star's sudden passing.

RELATED: Caleb Logan Bratayley Mystery Death Revealed: Youtube Teen Medical Emergency, No Drug Suicide

Logan was just 13-years-old, and known for his amusing clips on Vine:

Yesterday at 7:08PM Caleb Logan Bratayley passed away of natural causes. This has come as a shock to all of us. Words cannot describe how much we will miss him. His incredibly funny, loving and wonderful spirit made us all fall in love with him as a YouTuber, friend, brother and son. We know you tune in to watch each day and eagerly anticipate new videos, but ask that you bear with us while we deal with this tragedy as a family. Please help us honor our, baked potato.

A photo posted by Annie Hayley Caleb Bratayley (@officiallybratayley) on Oct 2, 2015 at 4:58am PDT

Logan and his two sisters Annie and Hayley became instant hits on the popular (family-friendly) cyber channel. And in remembrance of his short but monumental life, this 21-minute video montage recently went viral online, which also included this heartfelt message (via HollywoodLife.com):

"In addition to our desire to give the Internet community the chance to begin the grieving process, we also wanted to post this video to show a healthy and happy Caleb doing what he loved. Thank you for all the love and support that everyone has shown our family. And we ask for continued love and support as we move through the grieving process."

While several Twitter fans continue wondering what really happened, they also share their heartbreak and support:

@gabe: "Treat every day as if it's your last. Although I didn't know Caleb Logan personally, I can tell he was an amazing person. #RIPCaleb."

@molly_petra: "RIP Caleb Logan from @Bratayley you will be missed by so many. prayers to your family and friends at this time #bratayley #caleb."

@zjmskaterkid: "Fly high Caleb Logan... I will miss seeing your smiley face during the bratayley vlogs #RIPCaleb."

@itspaolayo: "R.I.P Caleb Logan Bratayley... one retweet equals one prayer <3 This beautiful sweet 13 year old deserves his prayers #GoneTooSoon #RIPCaleb."

@importantmatt: "You were too young... RIP Caleb, Miss you... #RIPcaleb."

Thoughts and condolences go out to Logan's family, friends, and fans during this sorrowful time.