"Come Clean" was released as the second single from the album on January 13, 2004. Duff described the song as being "obviously about a boy and a girl's relationship and it's just talking about how somebody thinks they're in the dark." "She's tired of it and he's tired of it and they're coming clean, whether it means they're gonna be together or not. They're laying all the cards out on the table and coming out with everything that hasn't been said basically.", she said. Duff cited the song as her favorite on "Metamorphosis", saying it is "a little more mellow" than her previous single, "So Yesterday", "but it's not really pop. It sounds sort of like techno, but it's slow. It's really cool." The song peaked at number thirty five, becoming Duff's first top forty single in the US and also her highest charting single at the time. However, the song failed to match the success of its predecessor "So Yesterday" in many other countries. It reached a peak of number seventeen in Australia and eighteen in the UK, while charting inside top twenty in Canada, Netherlands, Ireland and New Zealand. The accompanying music video, directed by Dave Meyers, premiered on MTV's "Total Request Live" on January 14, 2004. The video showed Duff inside a house on a rainy day, waiting for her love interest. The video was nominated for Best Pop Video at the 2004 MTV Video Music Awards.