Christina Grimmie was fatally shot at age 22 at her concert at The Plaza Live venue in Orlando, Florida. Now, her friend Victoria Justice is recalling the moment she learned about Grimmie's death.

At the Los Angeles stop on Big Time Rush‘s Forever Tour on Wednesday night (August 10), the guys had a couple of very special guests join them on stage – Victoria Justice and Katelyn Tarver.

When not promoting her own new music, singer/actress Victoria Justice ... a front cutout to the Bruno Mars concert at Inuit Dome in Los Angeles. Swipe to see Justice backstage with Meghan Trainor.