Justine Ezarik (born March 20, 1984) is an American YouTube personality, host, actress and model. She is best known as iJustine, with over 955 million views across her YouTube channels since 2006. She gained attention as a lifecaster who communicated directly with her millions of viewers on her Justin.tv channel, ijustine.tv. She acquired notability in roles variously described as a "lifecasting star", a "new media star", or one of the Web's most popular lifecasters. She currently posts videos on her main channel iJustine, as well as iJustineGaming.