Jessie J

Summary
Jessie J is a character in Ariana's Motive. She is first seen in the same hallway as Taylor Swift, watching from afar. In episode 1, she is pushed down the stairs and dies. The main suspects are Nicki Minaj and Selena Gomez

Death
Jessie J dies in the Grand Staircase while walking down the stairs. Nicki Minaj's hand can be seen where Jessie was standing meaning that she may have been pushed by Nicki.