Linda Perry (born April 15, 1965) is an American rock singer-songwriter, and record producer. Once known as the lead singer and primary songwriter of 4 Non Blondes, Perry has founded two record labels, composing and producing hit songs for several other successful female singers. They include Christina Aguilera (who had a worldwide hit with Perry's "Beautiful"), Gwen Stefani ("What You Waiting For?" from her album Love. Angel. Music. Baby.), Adam Lambert's "A Loaded Smile" and Grace Slick ("Knock Me Out"). Perry has also contributed heavily to albums by Courtney Love and Kelly Osbourne as well as signing and distributing James Blunt in the United States.