Sierra Rain (born December 11, 2003), also known online as Sierra Blair, is an American social media creator, content influencer, and rising personality in the digital entertainment space. Based in Miami, Florida, Sierra has built a strong following across platforms like Instagram, TikTok, and Twitter, where she shares lifestyle, fashion, and comedic content. Known for her approachable personality and creativity, she has quickly become a recognizable figure among Gen Z audiences, carving out her own niche in the competitive world of online content creation. Sierra is the younger sister of Sophie Rain, who is the co-founder of the influencer collective BOP House, and the two sisters frequently collaborate on social media projects and brand partnerships. Growing up in a modest household, Sierra’s early entrepreneurial drive inspired Sophie to explore adult subscription platforms (OnlyFans), giving her the confidence to monetize her own online presence. While Sophie has remained a central figure in the BOP House, Sierra has developed her own online identity, occasionally appearing alongside her sister and collaborating with creators such as Aishah Sofey, Summer Iris, and Piper Rockelle, highlighting their close creative and familial bond. In addition to her social media presence, Sierra maintains an adult subscription platform (OF), offering fans access to exclusive content.