Julie Chen Moonves is a prominent American television personality, news anchor, and producer, widely recognized for her long-standing role as the host of the U.S. version of the reality show Big Brother. She began her career as a journalist, eventually becoming a co-anchor for The Early Show on CBS. From 2010 to 2018, she was a co-host and moderator of the CBS daytime talk show The Talk, further solidifying her presence in American television. Her signature sign-off on Big Brother, 'But first...', has become an iconic catchphrase associated with her hosting style.