Trinity Jo-Li Bliss (born November 5, 2009) is an American actress, singer, and YouTuber. In television, she is most notable for her role as Stella Zhau, both in the Nickelodeon live-action television series The Really Loud House (2022–2024) and the television film A Really Haunted Loud House (2023). In film, she is known for Tuk in James Cameron's Avatar franchise, which marked her film debut.