Christina Grimmie was a standout on The Voice. Unfortunately, her life was cut short by senseless gun violence.

Monday marks 8 years since "The Voice" singer Christina Grimmie was shot and killed following a performance at The Plaza in ...

Grimmie was shot and killed at her concert in June 2016. Drew, Wesley and Keaton tell ET they are planning to beef up security at their own shows this summer following Christina's tragic death.