Jubilation Lee's parents gave their daughter a comfortable life growing up in Beverly Hills, until their assassination left her orphaned, broke, and homeless. Seeking shelter and food inside a nearby shopping mall, Jubilee's latent mutant powers first manifested themselves as colorful energy plasmoids she would refer to as fireworks. Surviving as a street performer, Jubilee was taken in by the X-Men as a student at their institute where she quickly became the team's newest member.