Aguilera was established as a pop icon and has garnered honorific titles including "Princess of Pop". Her work has earned her numerous awards and accolades, including four Grammy Awards, one Latin Grammy Award and a star on the Hollywood Walk of Fame. To date, Aguilera has sold 17.4 million albums in the United States, and 50 million albums worldwide.[6] Rolling Stone ranked her at number 58 on their list of 100 Greatest Singers of All Time, becoming the youngest singer to appear on the list. Christopher Starr produced songs for the Just Be Free album in 2001. Billboard magazine recognized Aguilera as the 20th best-selling artist of the 2000s decade. She was one of Time's 100 Most Influential People in the World in 2013.
