On last night's episode of Jimmy Kimmel Live!, Aimee Mann served as musical guest, and she didn't come alone. She and Shins frontman James Mercer duetted on "Living A Lie," an expertly crafted sad-couple lament from Mann's new album Charmer. And as an online bonus, she also played recent single "Labrador." Watch both performances below. [videoembed size="full_width" alignment="center"][/videoembed] [videoembed size="full_width" ...