Jocelyn Ratzer has 1 Niki DeMar concert.

Nicola Teresa DeMartino (better known as Niki DeMar) is a fashion and beauty YouTuber. She is also a singer-songwriter, actress and screenwriter. She and her twin sister Gabi began their careers in 2010 with their older sister Alex DeMartino, on their channel 00RemakeGirls. She now runs her own channel, Niki DeMar, alongside her joint channel, Niki and Gabi, with her twin sister, Gabi DeMartino.