Miranda Taylor Cosgrove (born May 14, 1993) is an American actress, singer, and songwriter. Her career began at the age of three, when she appeared in television commercials. Her film debut came in 2003, when she played Summer Hathaway in School of Rock. She appeared in a number of minor television roles over several years before coming to prominence as Megan Parker on the Nickelodeon TV series Drake & Josh. A few years later, she landed the role of Carly Shay, the lead character in the Nickelodeon TV series iCarly.