The 22-year-old singer was shot at her Orlando concert on Friday night (June 10) and she died shortly after due to complications from her injuries. The gunman was tackled by her brother, but he shot himself on the scene.
“This is a tragic loss. My heart goes out to @therealgrimmie’s family, friends and all the people that she touched,” Pharrell tweeted.
“To an amazing soul and voice…may your legacy live on forever. Rest in peace beautiful, Christina,” Usher tweeted.