Justin Timberlake’s longtime background vocalist Nicole Hurst has reportedly handed away. She was 39.

The pop musician took to his Instagram account on Friday and posted a number of pictures and movies of Hurst, who he ceaselessly known as his “sister.”

Featured within the slides have been movies of Timberlake and Hurst touring along with the Tennessee Youngsters. Additionally within the recollections was a selfie of the 2 in addition to clips capturing moments when the 2 known as one another “bro” and “sister.”

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“My coronary heart is so heavy. We misplaced a good looking soul this week,” Timberlake wrote within the heartfelt tribute. “Nicole lit up each room she walked into. On and off the stage she was a relentless supply of pleasure and positivity.”

He continued: “Some issues really feel so unfair and we are going to by no means perceive why they occur. What I do know is that we have been blessed to chortle along with her, to journey along with her, and to expertise her infectious smile and love for a life full of music. Nicole, it isn’t sufficient to say that I’m going to overlook you dearly. Thanks in your mild. I’ll do my finest to hold that with me. I like you, my sister. Endlessly household and perpetually a TN Child. 💔.”

Hurst’s official reason behind demise has not been confirmed, although in 2015, she revealed to ABC 13 she was recognized with “Stage 2 triple-positive breast most cancers.”