Niki DeMartino is a popular American YouTuber, singer, and social media influencer known for her engaging content. She gained fame through her YouTube channel, where she shares beauty tutorials, lifestyle vlogs, and challenges. Niki often collaborates with her twin sister, Gabi DeMartino, which adds to their combined popularity. In addition to her YouTube career, Niki has ventured into music, releasing several singles that showcase her vocal talent. She has a strong presence on platforms like Instagram and TikTok, where she connects with her fans and shares glimpses of her daily life.