Singer-actress Hilary Duff's first Top 40 single, "So Yesterday" was commercially released on July 29th -- and a success at that. The track was the "most added" at Top 40 radio stations in its first two weeks, and it can be heard on more than 70 stations throughout the U.S. The single also includes the bonus song "Working It Out!" The music video for "So Yesterday" is directed by Chris Applebaum.

Meanwhile, Duff's new album Metamorphosis, featuring "So Yesterday," will be released on August 26th.

Duff was recently nominated for three 2003 Teen Choice Awards including choice movie actress, choice TV actress-comedy, and choice female hottie. The awards ceremony will take place in Los Angeles on August 2nd.