 The album was preceded by "Don't Cha" which became their international breakthrough, peaking at number two on the "Billboard" Hot 100.The album spawned other number-one hits, "Stickwitu" and "Buttons", the latter of which was nominated for Best Pop Performance by a Duo or Group with Vocals at the 49th Annual Grammy Awards.In February 2006, Scherzinger signed a global publishing agreement with Universal Music Publishing Group, which would cover her future songwriting.