She first became known as the lead singer and primary songwriter of 4 Non Blondes and has since founded two record labels and composed and produced hit songs for several other artists. They include: "Beautiful" by Christina Aguilera; "What You Waiting For?" by Gwen Stefani; and "Get the Party Started" by P!nk. Perry has also contributed to albums by Adele, Alicia Keys, and Courtney Love, as well as signing and distributing James Blunt[2] in the United States.