Christina Victoria Grimmie (March 12, 1994 – June 10, 2016) was an American singer and YouTuber. In 2009, she began posting covers of popular songs onto YouTube. After releasing her debut EP, Find Me (2011), her YouTube channel reached one million subscribers. After she reached two million subscribers, she released her debut studio album, With Love (2013).

On June 10, 2016, Grimmie was fatally shot while signing autographs following a concert performance at The Plaza Live in Orlando, Florida. Side B, a follow-up to Side A, was made available on Spotify and iTunes in 2017, and in June 2017, Grimmie's second and final album, All Is Vanity, was released posthumously. In 2019, her YouTube channel reached four million subscribers, although it dropped below four million in 2020, settling at 3.91 million by October 2023.