sentences:  However, despite their commercial success, the group was plagued by internal conflict due to the emphasis on Scherzinger, the group's lead vocalist, and the subordinate treatment of the other members.Bachar's departure from the group preceded the release of their second and final studio album "Doll Domination" (2008), which contains hit singles "When I Grow Up", "I Hate This Part", and "Jai Ho!