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Ellen DeGeneres has joined other celebrities in honoring slain singer Christina Grimmie, who was tragically shot and killed after a concert in Orlando last Friday.

Grimmie was just a teenage YouTube sensation when she was asked to perform on "The Ellen DeGeneres Show" in 2011 — several years before she won hearts as the third-place finisher on "The Voice." On Monday, DeGeneres paid tribute to the 22-year-old singer in a heartbreaking tweet.

Christina Grimmie was a talented young woman with so much ahead of her. I’m sending love to her family and fans. pic.twitter.com/97seF3JmYU — Ellen DeGeneres (@TheEllenShow) June 13, 2016

DeGeneres shared a photo from Grimmie's appearance on her show, and wrote that she was a "talented young woman with so much ahead of her."

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“I’m sending love to her family and fans," the host wrote.

DeGeneres's tweet comes on the heels of an outpouring of love for Grimmie. Just one night after the "Voice" alum was senselessly murdered, singer Meghan Trainor performed a tribute at her New York concert. The singer gave "a shout-out to our girl, Christina," and asked concertgoers to sing along.

RELATED: Meghan Trainor asks concertgoers to sing along in tribute to Christina Grimmie

Selena Gomez and Charlie Puth also performed tributes to Grimmie during live performances over the weekend, with Gomez breaking down in tears while honoring her longtime friend. (Gomez's stepfather, Brian Teefey, was Grimmie's manager).

My heart is absolutely broken. I miss you Christina pic.twitter.com/KWGwZZlj4t — Selena Gomez (@selenagomez) June 11, 2016

On Monday, Grimmie's brother Marcus Grimmie shared the news that his sister's "Voice" trainer Adam Levine reached out to their family, offering to cover the costs for the singer's funeral.

Adam Levine and Christina Grimmie Tyler Golden/NBC

Later that night, Marcus honored his sister at a candlelight vigil in his sister's hometown of Evesham, New Jersey.

RELATED: Adam Levine reaches out to Christina Grimmie's family, offers to pay for funeral

"She loved this town. She loved this state. She loved singing. She loved the Lord," he said, adding, "And she loved me."