Complex sentence: It was nominated for a Grammy Award for Best Pop Performance by a Duo or Group with Vocals in 2007 but it unfortunately lost to "My Humps" by The Black Eyed Peas.
Split into simpler sentences: It was nominated for a Grammy Award for Best Pop Performance by a Duo or Group with Vocals in 2007. It lost to "My Humps" by The Black Eyed Peas.