Colleen Ann Williams (born March 6, 1955) is an American journalist. She is a news anchor of KNBC Channel 4 in Los Angeles, currently serving on the 5 and 11 p.m. weekday broadcasts. She also reports on occasion for NBC News and MSNBC. Williams is one of the most-recognized anchors in the Los Angeles area, the second-largest media market in the United States. Williams once could be recognized for her trademark hairstyle which until the late 1990s included a prominent silver streak.