11 Celebs Who Kissed & Dissed

From Selena Gomez's tear-jerking confession to Justin Timberlake's revealing chart-topper, see who had some not-so-nice things to say (and sing!) about their exes


The Ex: Joel Madden
Following their November 2006 split, Duff had some choice words for Madden and his new lady friend, now-wife Nicole Richie. "I felt disrespected that he moved on so quickly," she told Seventeen. "But some people don't want to deal with how they feel, so they cover it up. Rebound!"