Songstress Tori Kelly has uploaded a video to YouTube of herself performing a song that she wrote for the late Christina Grimmie, who was shot and killed while signing autographs for fans in Orlando last month.

The track is called 'Blink Of An Eye' and she shared a touching message alongside the video of herself playing the song, which reads: 

"This song was written for Christina Grimmie after she passed away tragically. I needed to write this song. Thank you to my good friend, Zac Poor, who was brave enough to take on the challenge of writing it with me. My heart was & is still so heavy when I think of her not being with us. However, I am still comforted knowing that I'll get to see her again someday in heaven. My prayers go out to her family & loved ones."

"Even though this song had specific meaning, more recently I'm overwhelmed at the pain & the brokenness in the world today, & so this is really just me grieving. At all of it. Life is so short. Thanks for listening, I love you guys."

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Watch Tori Kelly performing the song here: