What started as a tragic diagnosis turned into one of the year's most inspirational stories thanks to one brave teen's determination to leave the world a better place. At age 14, Zach Sobiech was diagnosed with osteosarcoma and he was given just months to live last June. After a four-year fight, Zach lost his battle with the disease on Monday at the age of 18. But what he left behind is larger than life. He created a 22-minute film, Last Days: Meet Zach Sobiech, which details his inspirational outlook on life while battling cancer. The film, which is posted above, has spread quickly on social networks and been watched over four million times on YouTube.
Zach turned to music as a way of dealing with his illness, which resulted in "Clouds," a song he originally penned as a token of remembrance for his family and friends. The song instantly turned into an Internet sensation, and the video for "Clouds" went viral on YouTube back in December, attracting the attention of a slew of celebrities. Rainn Wilson, Anna Farris, Rachel Bilson, and Ed Helms are just a few of the famous faces to lend their support in the form of a tribute video to help Zach's mission of spreading awareness for those suffering from his rare form of cancer. Today, "Clouds" reached the No. 1 spot on iTunes with every download donating to his fund, which is testament to how many people he has touched with his story. To see the tribute video and read more about his famous supporters, keep reading.