Jennifer Hudson is simply superb in this musical roller-coaster of a film. She is "Effie" whom, along with "Deena" (Beyoncé Knowles) and "Lorrell" (Anika Noni Rose), form a trio of singers aspiring to fame and fortune. Along the way, they encounter the usual suite of difficulties - bigotry, racism and misogyny as well as having to deal with their own personal rivalries. They are signed by Detroit used car salesman "Curtis" (Jamie Foxx) to back his established, womanising, star "James Early" (Eddie Murphy) and soon their star seems fixed. That is, until "Curtis" decides to dispense with the ser...