At a concert in Winnipeg, Canada, Bieber got emotional and he was reportedly heard saying, “Grimmie, can you hear me?” before breaking down in tears and collapsing to the stage floor while singing “Purpose” in her memory.

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Bieber and Grimmie knew each other for some time. She was a good friend of his ex, Selena Gomez, and Gomez’s stepfather was Grimmie’s manager.

>> RELATED STORY: 'The Voice' star Christina Grimmie shot and killed after performance in Orlando

Grimmie was shot and killed as she signed autographs for fans following a concert in Orlando, Florida, last week.

>> RELATED STORY: Note found taped to front door of Christina Grimmie shooter's family home

Following her death, close celebrity friends paid tribute to the late singer. Gomez was seen sobbing at a Miami concert on Saturday and her "The Voice" coach, Adam Levine, has generously offered to pay for her funeral.

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