The Rex Theater is a historic venue located in Pittsburgh, Pennsylvania. Originally opened in 1905, it has served various purposes over the years, including as a movie theater and a live performance space. The theater is known for its distinctive architecture and has been a significant part of the local cultural scene. In recent years, the Rex Theater has hosted a variety of events, including concerts and community gatherings. Its intimate setting allows for a close connection between performers and audiences, making it a popular destination for both local and touring acts. The venue continues to be a cherished landmark in the South Side neighborhood.